Finding the Fourth Proportional to 77,813, 116,726.82 and 60,302.42

Step by Step Solution

1. Step 1: Write the proportion equation
   77,813 : 116,726.82 = 60,302.42 : x
2. Step 2: Convert to fraction form
   77,813/116,726.82 = 60,302.42/x
3. Step 3: Cross multiply
   77,813x = 116,726.82 × 60,302.42
4. Step 4: Simplify right side
   77,813x = 7,038,909,724.90
5. Step 5: Solve for x
   x = 7,038,909,724.90/77,813
6. Step 6: Final answer
   x = 90,459.30