Finding the Fourth Proportional to 77,663,397.42, 107,174,813.90 and 42,381,900.59

Step by Step Solution

1. Step 1: Write the proportion equation
   77,663,397.42 : 107,174,813.90 = 42,381,900.59 : x
2. Step 2: Convert to fraction form
   77,663,397.42/107,174,813.90 = 42,381,900.59/x
3. Step 3: Cross multiply
   77,663,397.42x = 107,174,813.90 × 42,381,900.59
4. Step 4: Simplify right side
   77,663,397.42x = 4,542,272,307,713,767
5. Step 5: Solve for x
   x = 4,542,272,307,713,767/77,663,397.42
6. Step 6: Final answer
   x = 58,486,654.70