Finding the Fourth Proportional to 31,011.18, 42,803.27 and 17,590.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,011.18 : 42,803.27 = 17,590.42 : x
2. Step 2: Convert to fraction form
   31,011.18/42,803.27 = 17,590.42/x
3. Step 3: Cross multiply
   31,011.18x = 42,803.27 × 17,590.42
4. Step 4: Simplify right side
   31,011.18x = 752,927,496.67
5. Step 5: Solve for x
   x = 752,927,496.67/31,011.18
6. Step 6: Final answer
   x = 24,279.23