Finding the Fourth Proportional to 104,412.31, 144,086.94 and 59,089.45

Step by Step Solution

1. Step 1: Write the proportion equation
   104,412.31 : 144,086.94 = 59,089.45 : x
2. Step 2: Convert to fraction form
   104,412.31/144,086.94 = 59,089.45/x
3. Step 3: Cross multiply
   104,412.31x = 144,086.94 × 59,089.45
4. Step 4: Simplify right side
   104,412.31x = 8,514,018,036.78
5. Step 5: Solve for x
   x = 8,514,018,036.78/104,412.31
6. Step 6: Final answer
   x = 81,542.28