Finding the Fourth Proportional to 31,523, 43,501.74 and 17,376.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,523 : 43,501.74 = 17,376.15 : x
2. Step 2: Convert to fraction form
   31,523/43,501.74 = 17,376.15/x
3. Step 3: Cross multiply
   31,523x = 43,501.74 × 17,376.15
4. Step 4: Simplify right side
   31,523x = 755,892,759.50
5. Step 5: Solve for x
   x = 755,892,759.50/31,523
6. Step 6: Final answer
   x = 23,979.09