Finding the Fourth Proportional to 10,620.02, 15,932.04 and 5,073.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,620.02 : 15,932.04 = 5,073.80 : x
2. Step 2: Convert to fraction form
   10,620.02/15,932.04 = 5,073.80/x
3. Step 3: Cross multiply
   10,620.02x = 15,932.04 × 5,073.80
4. Step 4: Simplify right side
   10,620.02x = 80,835,984.55
5. Step 5: Solve for x
   x = 80,835,984.55/10,620.02
6. Step 6: Final answer
   x = 7,611.66