Finding the Fourth Proportional to 118,900.16, 164,084.04 and 71,155.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,900.16 : 164,084.04 = 71,155.52 : x
2. Step 2: Convert to fraction form
   118,900.16/164,084.04 = 71,155.52/x
3. Step 3: Cross multiply
   118,900.16x = 164,084.04 × 71,155.52
4. Step 4: Simplify right side
   118,900.16x = 11,675,485,189.90
5. Step 5: Solve for x
   x = 11,675,485,189.90/118,900.16
6. Step 6: Final answer
   x = 98,195.71