Finding the Fourth Proportional to 59,536,678.88, 89,174,815.08 and 42,212,366.60

Step by Step Solution

1. Step 1: Write the proportion equation
   59,536,678.88 : 89,174,815.08 = 42,212,366.60 : x
2. Step 2: Convert to fraction form
   59,536,678.88/89,174,815.08 = 42,212,366.60/x
3. Step 3: Cross multiply
   59,536,678.88x = 89,174,815.08 × 42,212,366.60
4. Step 4: Simplify right side
   59,536,678.88x = 3,764,279,985,644,168.50
5. Step 5: Solve for x
   x = 3,764,279,985,644,168.50/59,536,678.88
6. Step 6: Final answer
   x = 63,226,233.92