Finding the Fourth Proportional to 85,162.89, 127,799.01 and 57,114.62

Step by Step Solution

1. Step 1: Write the proportion equation
   85,162.89 : 127,799.01 = 57,114.62 : x
2. Step 2: Convert to fraction form
   85,162.89/127,799.01 = 57,114.62/x
3. Step 3: Cross multiply
   85,162.89x = 127,799.01 × 57,114.62
4. Step 4: Simplify right side
   85,162.89x = 7,299,191,892.53
5. Step 5: Solve for x
   x = 7,299,191,892.53/85,162.89
6. Step 6: Final answer
   x = 85,708.60