Finding the Fourth Proportional to 116,002.11, 160,077.56 and 65,701.47

Step by Step Solution

1. Step 1: Write the proportion equation
   116,002.11 : 160,077.56 = 65,701.47 : x
2. Step 2: Convert to fraction form
   116,002.11/160,077.56 = 65,701.47/x
3. Step 3: Cross multiply
   116,002.11x = 160,077.56 × 65,701.47
4. Step 4: Simplify right side
   116,002.11x = 10,517,330,677.51
5. Step 5: Solve for x
   x = 10,517,330,677.51/116,002.11
6. Step 6: Final answer
   x = 90,664.99