Finding the Fourth Proportional to 71,857.83, 98,445.69 and 69,164.29

Step by Step Solution

1. Step 1: Write the proportion equation
   71,857.83 : 98,445.69 = 69,164.29 : x
2. Step 2: Convert to fraction form
   71,857.83/98,445.69 = 69,164.29/x
3. Step 3: Cross multiply
   71,857.83x = 98,445.69 × 69,164.29
4. Step 4: Simplify right side
   71,857.83x = 6,808,925,904.06
5. Step 5: Solve for x
   x = 6,808,925,904.06/71,857.83
6. Step 6: Final answer
   x = 94,755.52