Finding the Fourth Proportional to 117,363.72, 161,959.86 and 67,061.64

Step by Step Solution

1. Step 1: Write the proportion equation
   117,363.72 : 161,959.86 = 67,061.64 : x
2. Step 2: Convert to fraction form
   117,363.72/161,959.86 = 67,061.64/x
3. Step 3: Cross multiply
   117,363.72x = 161,959.86 × 67,061.64
4. Step 4: Simplify right side
   117,363.72x = 10,861,293,825.77
5. Step 5: Solve for x
   x = 10,861,293,825.77/117,363.72
6. Step 6: Final answer
   x = 92,543.88