Finding the Fourth Proportional to 23,490.84, 32,410.62 and 15,530.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,490.84 : 32,410.62 = 15,530.16 : x
2. Step 2: Convert to fraction form
   23,490.84/32,410.62 = 15,530.16/x
3. Step 3: Cross multiply
   23,490.84x = 32,410.62 × 15,530.16
4. Step 4: Simplify right side
   23,490.84x = 503,342,114.30
5. Step 5: Solve for x
   x = 503,342,114.30/23,490.84
6. Step 6: Final answer
   x = 21,427.17