Finding the Fourth Proportional to 117,061.41, 161,544.56 and 66,084.87

Step by Step Solution

1. Step 1: Write the proportion equation
   117,061.41 : 161,544.56 = 66,084.87 : x
2. Step 2: Convert to fraction form
   117,061.41/161,544.56 = 66,084.87/x
3. Step 3: Cross multiply
   117,061.41x = 161,544.56 × 66,084.87
4. Step 4: Simplify right side
   117,061.41x = 10,675,650,916.38
5. Step 5: Solve for x
   x = 10,675,650,916.38/117,061.41
6. Step 6: Final answer
   x = 91,197.01