Finding the Fourth Proportional to 89,188.29, 123,162.93 and 57,412.26

Step by Step Solution

1. Step 1: Write the proportion equation
   89,188.29 : 123,162.93 = 57,412.26 : x
2. Step 2: Convert to fraction form
   89,188.29/123,162.93 = 57,412.26/x
3. Step 3: Cross multiply
   89,188.29x = 123,162.93 × 57,412.26
4. Step 4: Simplify right side
   89,188.29x = 7,071,062,159.52
5. Step 5: Solve for x
   x = 7,071,062,159.52/89,188.29
6. Step 6: Final answer
   x = 79,282.41