Finding the Fourth Proportional to 89,233.60, 123,142.38 and 51,507.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,233.60 : 123,142.38 = 51,507.84 : x
2. Step 2: Convert to fraction form
   89,233.60/123,142.38 = 51,507.84/x
3. Step 3: Cross multiply
   89,233.60x = 123,142.38 × 51,507.84
4. Step 4: Simplify right side
   89,233.60x = 6,342,798,006.26
5. Step 5: Solve for x
   x = 6,342,798,006.26/89,233.60
6. Step 6: Final answer
   x = 71,080.83