Finding the Fourth Proportional to 52,108,861,685.87, 77,812,390,644.25 and 42,555,618,743.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,108,861,685.87 : 77,812,390,644.25 = 42,555,618,743.48 : x
2. Step 2: Convert to fraction form
   52,108,861,685.87/77,812,390,644.25 = 42,555,618,743.48/x
3. Step 3: Cross multiply
   52,108,861,685.87x = 77,812,390,644.25 × 42,555,618,743.48
4. Step 4: Simplify right side
   52,108,861,685.87x = 3,311,354,429,775,872,524,288
5. Step 5: Solve for x
   x = 3,311,354,429,775,872,524,288/52,108,861,685.87
6. Step 6: Final answer
   x = 63,546,857,917.15