Finding the Fourth Proportional to 31,252.52, 43,128.34 and 17,105.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,252.52 : 43,128.34 = 17,105.32 : x
2. Step 2: Convert to fraction form
   31,252.52/43,128.34 = 17,105.32/x
3. Step 3: Cross multiply
   31,252.52x = 43,128.34 × 17,105.32
4. Step 4: Simplify right side
   31,252.52x = 737,724,056.77
5. Step 5: Solve for x
   x = 737,724,056.77/31,252.52
6. Step 6: Final answer
   x = 23,605.27