Finding the Fourth Proportional to 142,932.12, 197,084.77 and 91,180.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,932.12 : 197,084.77 = 91,180.18 : x
2. Step 2: Convert to fraction form
   142,932.12/197,084.77 = 91,180.18/x
3. Step 3: Cross multiply
   142,932.12x = 197,084.77 × 91,180.18
4. Step 4: Simplify right side
   142,932.12x = 17,970,224,803.86
5. Step 5: Solve for x
   x = 17,970,224,803.86/142,932.12
6. Step 6: Final answer
   x = 125,725.59