Finding the Fourth Proportional to 77,002,354.56, 106,263,218.88 and 42,663,538.56

Step by Step Solution

1. Step 1: Write the proportion equation
   77,002,354.56 : 106,263,218.88 = 42,663,538.56 : x
2. Step 2: Convert to fraction form
   77,002,354.56/106,263,218.88 = 42,663,538.56/x
3. Step 3: Cross multiply
   77,002,354.56x = 106,263,218.88 × 42,663,538.56
4. Step 4: Simplify right side
   77,002,354.56x = 4,533,564,936,196,600
5. Step 5: Solve for x
   x = 4,533,564,936,196,600/77,002,354.56
6. Step 6: Final answer
   x = 58,875,666.36