Finding the Fourth Proportional to 77,875.49, 107,468.22 and 42,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,875.49 : 107,468.22 = 42,065.50 : x
2. Step 2: Convert to fraction form
   77,875.49/107,468.22 = 42,065.50/x
3. Step 3: Cross multiply
   77,875.49x = 107,468.22 × 42,065.50
4. Step 4: Simplify right side
   77,875.49x = 4,520,704,224.59
5. Step 5: Solve for x
   x = 4,520,704,224.59/77,875.49
6. Step 6: Final answer
   x = 58,050.41