Finding the Fourth Proportional to 112,732.47, 169,018.61 and 56,532.03

Step by Step Solution

1. Step 1: Write the proportion equation
   112,732.47 : 169,018.61 = 56,532.03 : x
2. Step 2: Convert to fraction form
   112,732.47/169,018.61 = 56,532.03/x
3. Step 3: Cross multiply
   112,732.47x = 169,018.61 × 56,532.03
4. Step 4: Simplify right side
   112,732.47x = 9,554,964,848.42
5. Step 5: Solve for x
   x = 9,554,964,848.42/112,732.47
6. Step 6: Final answer
   x = 84,757.88