Finding the Fourth Proportional to 31,000.15, 42,783.54 and 17,569.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,000.15 : 42,783.54 = 17,569.96 : x
2. Step 2: Convert to fraction form
   31,000.15/42,783.54 = 17,569.96/x
3. Step 3: Cross multiply
   31,000.15x = 42,783.54 × 17,569.96
4. Step 4: Simplify right side
   31,000.15x = 751,704,872.54
5. Step 5: Solve for x
   x = 751,704,872.54/31,000.15
6. Step 6: Final answer
   x = 24,248.43