Finding the Fourth Proportional to 77,404.33, 116,139.37 and 42,302.98

Step by Step Solution

1. Step 1: Write the proportion equation
   77,404.33 : 116,139.37 = 42,302.98 : x
2. Step 2: Convert to fraction form
   77,404.33/116,139.37 = 42,302.98/x
3. Step 3: Cross multiply
   77,404.33x = 116,139.37 × 42,302.98
4. Step 4: Simplify right side
   77,404.33x = 4,913,041,050.22
5. Step 5: Solve for x
   x = 4,913,041,050.22/77,404.33
6. Step 6: Final answer
   x = 63,472.43