Finding the Fourth Proportional to 77,934.83, 107,549.73 and 42,124.77

Step by Step Solution

1. Step 1: Write the proportion equation
   77,934.83 : 107,549.73 = 42,124.77 : x
2. Step 2: Convert to fraction form
   77,934.83/107,549.73 = 42,124.77/x
3. Step 3: Cross multiply
   77,934.83x = 107,549.73 × 42,124.77
4. Step 4: Simplify right side
   77,934.83x = 4,530,507,639.81
5. Step 5: Solve for x
   x = 4,530,507,639.81/77,934.83
6. Step 6: Final answer
   x = 58,132.01