Finding the Fourth Proportional to 77,345,711.52, 106,737,796.80 and 42,063,852.12

Step by Step Solution

1. Step 1: Write the proportion equation
   77,345,711.52 : 106,737,796.80 = 42,063,852.12 : x
2. Step 2: Convert to fraction form
   77,345,711.52/106,737,796.80 = 42,063,852.12/x
3. Step 3: Cross multiply
   77,345,711.52x = 106,737,796.80 × 42,063,852.12
4. Step 4: Simplify right side
   77,345,711.52x = 4,489,802,900,209,809
5. Step 5: Solve for x
   x = 4,489,802,900,209,809/77,345,711.52
6. Step 6: Final answer
   x = 58,048,504.72