Finding the Fourth Proportional to 117,091.10, 161,545.92 and 66,097.82

Step by Step Solution

1. Step 1: Write the proportion equation
   117,091.10 : 161,545.92 = 66,097.82 : x
2. Step 2: Convert to fraction form
   117,091.10/161,545.92 = 66,097.82/x
3. Step 3: Cross multiply
   117,091.10x = 161,545.92 × 66,097.82
4. Step 4: Simplify right side
   117,091.10x = 10,677,833,141.89
5. Step 5: Solve for x
   x = 10,677,833,141.89/117,091.10
6. Step 6: Final answer
   x = 91,192.53