Finding the Fourth Proportional to 23,618.62, 32,602.53 and 15,663.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,618.62 : 32,602.53 = 15,663.52 : x
2. Step 2: Convert to fraction form
   23,618.62/32,602.53 = 15,663.52/x
3. Step 3: Cross multiply
   23,618.62x = 32,602.53 × 15,663.52
4. Step 4: Simplify right side
   23,618.62x = 510,670,380.71
5. Step 5: Solve for x
   x = 510,670,380.71/23,618.62
6. Step 6: Final answer
   x = 21,621.52