Finding the Fourth Proportional to 23,150.31, 34,688.98 and 17,898.13

Step by Step Solution

1. Step 1: Write the proportion equation
   23,150.31 : 34,688.98 = 17,898.13 : x
2. Step 2: Convert to fraction form
   23,150.31/34,688.98 = 17,898.13/x
3. Step 3: Cross multiply
   23,150.31x = 34,688.98 × 17,898.13
4. Step 4: Simplify right side
   23,150.31x = 620,867,873.61
5. Step 5: Solve for x
   x = 620,867,873.61/23,150.31
6. Step 6: Final answer
   x = 26,818.99