Finding the Fourth Proportional to 23,470.87, 32,389.81 and 12,715.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,470.87 : 32,389.81 = 12,715.76 : x
2. Step 2: Convert to fraction form
   23,470.87/32,389.81 = 12,715.76/x
3. Step 3: Cross multiply
   23,470.87x = 32,389.81 × 12,715.76
4. Step 4: Simplify right side
   23,470.87x = 411,860,917.40
5. Step 5: Solve for x
   x = 411,860,917.40/23,470.87
6. Step 6: Final answer
   x = 17,547.75