Finding the Fourth Proportional to 23,561.91, 32,517.51 and 12,953.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,561.91 : 32,517.51 = 12,953.61 : x
2. Step 2: Convert to fraction form
   23,561.91/32,517.51 = 12,953.61/x
3. Step 3: Cross multiply
   23,561.91x = 32,517.51 × 12,953.61
4. Step 4: Simplify right side
   23,561.91x = 421,219,142.71
5. Step 5: Solve for x
   x = 421,219,142.71/23,561.91
6. Step 6: Final answer
   x = 17,877.12