Finding the Fourth Proportional to 23,298.86, 32,152.46 and 12,688.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,298.86 : 32,152.46 = 12,688.53 : x
2. Step 2: Convert to fraction form
   23,298.86/32,152.46 = 12,688.53/x
3. Step 3: Cross multiply
   23,298.86x = 32,152.46 × 12,688.53
4. Step 4: Simplify right side
   23,298.86x = 407,967,389.84
5. Step 5: Solve for x
   x = 407,967,389.84/23,298.86
6. Step 6: Final answer
   x = 17,510.19