Finding the Fourth Proportional to 23,438.79, 32,339.12 and 15,060.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,438.79 : 32,339.12 = 15,060.15 : x
2. Step 2: Convert to fraction form
   23,438.79/32,339.12 = 15,060.15/x
3. Step 3: Cross multiply
   23,438.79x = 32,339.12 × 15,060.15
4. Step 4: Simplify right side
   23,438.79x = 487,031,922.77
5. Step 5: Solve for x
   x = 487,031,922.77/23,438.79
6. Step 6: Final answer
   x = 20,778.89