Finding the Fourth Proportional to 77,381,502.68, 106,787,321.25 and 42,099,508.34

Step by Step Solution

1. Step 1: Write the proportion equation
   77,381,502.68 : 106,787,321.25 = 42,099,508.34 : x
2. Step 2: Convert to fraction form
   77,381,502.68/106,787,321.25 = 42,099,508.34/x
3. Step 3: Cross multiply
   77,381,502.68x = 106,787,321.25 × 42,099,508.34
4. Step 4: Simplify right side
   77,381,502.68x = 4,495,693,721,570,634.50
5. Step 5: Solve for x
   x = 4,495,693,721,570,634.50/77,381,502.68
6. Step 6: Final answer
   x = 58,097,782.62