Finding the Fourth Proportional to 77,747.92, 116,471.54 and 65,118

Step by Step Solution

1. Step 1: Write the proportion equation
   77,747.92 : 116,471.54 = 65,118 : x
2. Step 2: Convert to fraction form
   77,747.92/116,471.54 = 65,118/x
3. Step 3: Cross multiply
   77,747.92x = 116,471.54 × 65,118
4. Step 4: Simplify right side
   77,747.92x = 7,584,393,741.72
5. Step 5: Solve for x
   x = 7,584,393,741.72/77,747.92
6. Step 6: Final answer
   x = 97,551.08