Finding the Fourth Proportional to 10,830.24, 14,937.46 and 7,478.66

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830.24 : 14,937.46 = 7,478.66 : x
2. Step 2: Convert to fraction form
   10,830.24/14,937.46 = 7,478.66/x
3. Step 3: Cross multiply
   10,830.24x = 14,937.46 × 7,478.66
4. Step 4: Simplify right side
   10,830.24x = 111,712,184.60
5. Step 5: Solve for x
   x = 111,712,184.60/10,830.24
6. Step 6: Final answer
   x = 10,314.84