Finding the Fourth Proportional to 140,063,861.54, 210,124,137.15 and 49,194,536.42

Step by Step Solution

1. Step 1: Write the proportion equation
   140,063,861.54 : 210,124,137.15 = 49,194,536.42 : x
2. Step 2: Convert to fraction form
   140,063,861.54/210,124,137.15 = 49,194,536.42/x
3. Step 3: Cross multiply
   140,063,861.54x = 210,124,137.15 × 49,194,536.42
4. Step 4: Simplify right side
   140,063,861.54x = 10,336,959,518,272,060
5. Step 5: Solve for x
   x = 10,336,959,518,272,060/140,063,861.54
6. Step 6: Final answer
   x = 73,801,760.17