Finding the Fourth Proportional to 99,412.47, 137,144.52 and 59,104.26

Step by Step Solution

1. Step 1: Write the proportion equation
   99,412.47 : 137,144.52 = 59,104.26 : x
2. Step 2: Convert to fraction form
   99,412.47/137,144.52 = 59,104.26/x
3. Step 3: Cross multiply
   99,412.47x = 137,144.52 × 59,104.26
4. Step 4: Simplify right side
   99,412.47x = 8,105,825,367.66
5. Step 5: Solve for x
   x = 8,105,825,367.66/99,412.47
6. Step 6: Final answer
   x = 81,537.31