Finding the Fourth Proportional to 23,298.84, 32,152.77 and 12,688.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,298.84 : 32,152.77 = 12,688.47 : x
2. Step 2: Convert to fraction form
   23,298.84/32,152.77 = 12,688.47/x
3. Step 3: Cross multiply
   23,298.84x = 32,152.77 × 12,688.47
4. Step 4: Simplify right side
   23,298.84x = 407,969,457.56
5. Step 5: Solve for x
   x = 407,969,457.56/23,298.84
6. Step 6: Final answer
   x = 17,510.29