Finding the Fourth Proportional to 117,150.88, 161,680.15 and 84,472.18

Step by Step Solution

1. Step 1: Write the proportion equation
   117,150.88 : 161,680.15 = 84,472.18 : x
2. Step 2: Convert to fraction form
   117,150.88/161,680.15 = 84,472.18/x
3. Step 3: Cross multiply
   117,150.88x = 161,680.15 × 84,472.18
4. Step 4: Simplify right side
   117,150.88x = 13,657,473,924.83
5. Step 5: Solve for x
   x = 13,657,473,924.83/117,150.88
6. Step 6: Final answer
   x = 116,580.21