Finding the Fourth Proportional to 30,301.30, 45,414.15 and 15,516.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,301.30 : 45,414.15 = 15,516.10 : x
2. Step 2: Convert to fraction form
   30,301.30/45,414.15 = 15,516.10/x
3. Step 3: Cross multiply
   30,301.30x = 45,414.15 × 15,516.10
4. Step 4: Simplify right side
   30,301.30x = 704,650,492.82
5. Step 5: Solve for x
   x = 704,650,492.82/30,301.30
6. Step 6: Final answer
   x = 23,254.79