Finding the Fourth Proportional to 116,586.48, 160,885.83 and 65,602.02

Step by Step Solution

1. Step 1: Write the proportion equation
   116,586.48 : 160,885.83 = 65,602.02 : x
2. Step 2: Convert to fraction form
   116,586.48/160,885.83 = 65,602.02/x
3. Step 3: Cross multiply
   116,586.48x = 160,885.83 × 65,602.02
4. Step 4: Simplify right side
   116,586.48x = 10,554,435,437.38
5. Step 5: Solve for x
   x = 10,554,435,437.38/116,586.48
6. Step 6: Final answer
   x = 90,528.81