Finding the Fourth Proportional to 122,086.61, 183,411.33 and 117,042.18

Step by Step Solution

1. Step 1: Write the proportion equation
   122,086.61 : 183,411.33 = 117,042.18 : x
2. Step 2: Convert to fraction form
   122,086.61/183,411.33 = 117,042.18/x
3. Step 3: Cross multiply
   122,086.61x = 183,411.33 × 117,042.18
4. Step 4: Simplify right side
   122,086.61x = 21,466,861,899.90
5. Step 5: Solve for x
   x = 21,466,861,899.90/122,086.61
6. Step 6: Final answer
   x = 175,833.06