Finding the Fourth Proportional to 31,173.06, 43,018.80 and 17,025.91

Step by Step Solution

1. Step 1: Write the proportion equation
   31,173.06 : 43,018.80 = 17,025.91 : x
2. Step 2: Convert to fraction form
   31,173.06/43,018.80 = 17,025.91/x
3. Step 3: Cross multiply
   31,173.06x = 43,018.80 × 17,025.91
4. Step 4: Simplify right side
   31,173.06x = 732,434,045.71
5. Step 5: Solve for x
   x = 732,434,045.71/31,173.06
6. Step 6: Final answer
   x = 23,495.74