Finding the Fourth Proportional to 116,002.10, 173,614.35 and 81,010.10

Step by Step Solution

1. Step 1: Write the proportion equation
   116,002.10 : 173,614.35 = 81,010.10 : x
2. Step 2: Convert to fraction form
   116,002.10/173,614.35 = 81,010.10/x
3. Step 3: Cross multiply
   116,002.10x = 173,614.35 × 81,010.10
4. Step 4: Simplify right side
   116,002.10x = 14,064,515,854.94
5. Step 5: Solve for x
   x = 14,064,515,854.94/116,002.10
6. Step 6: Final answer
   x = 121,243.63