Finding the Fourth Proportional to 31,126.32, 42,953.40 and 17,699.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,126.32 : 42,953.40 = 17,699.04 : x
2. Step 2: Convert to fraction form
   31,126.32/42,953.40 = 17,699.04/x
3. Step 3: Cross multiply
   31,126.32x = 42,953.40 × 17,699.04
4. Step 4: Simplify right side
   31,126.32x = 760,233,944.74
5. Step 5: Solve for x
   x = 760,233,944.74/31,126.32
6. Step 6: Final answer
   x = 24,424.15