Finding the Fourth Proportional to 31,507.08, 43,479.96 and 17,359.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,507.08 : 43,479.96 = 17,359.86 : x
2. Step 2: Convert to fraction form
   31,507.08/43,479.96 = 17,359.86/x
3. Step 3: Cross multiply
   31,507.08x = 43,479.96 × 17,359.86
4. Step 4: Simplify right side
   31,507.08x = 754,806,018.41
5. Step 5: Solve for x
   x = 754,806,018.41/31,507.08
6. Step 6: Final answer
   x = 23,956.71