Finding the Fourth Proportional to 117,036.37, 161,510.10 and 66,059.83

Step by Step Solution

1. Step 1: Write the proportion equation
   117,036.37 : 161,510.10 = 66,059.83 : x
2. Step 2: Convert to fraction form
   117,036.37/161,510.10 = 66,059.83/x
3. Step 3: Cross multiply
   117,036.37x = 161,510.10 × 66,059.83
4. Step 4: Simplify right side
   117,036.37x = 10,669,328,941.73
5. Step 5: Solve for x
   x = 10,669,328,941.73/117,036.37
6. Step 6: Final answer
   x = 91,162.51