Finding the Fourth Proportional to 77,382.33, 116,106.29 and 42,280.98

Step by Step Solution

1. Step 1: Write the proportion equation
   77,382.33 : 116,106.29 = 42,280.98 : x
2. Step 2: Convert to fraction form
   77,382.33/116,106.29 = 42,280.98/x
3. Step 3: Cross multiply
   77,382.33x = 116,106.29 × 42,280.98
4. Step 4: Simplify right side
   77,382.33x = 4,909,087,513.96
5. Step 5: Solve for x
   x = 4,909,087,513.96/77,382.33
6. Step 6: Final answer
   x = 63,439.39