Finding the Fourth Proportional to 10,490.31, 14,472.47 and 7,302.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,490.31 : 14,472.47 = 7,302.76 : x
2. Step 2: Convert to fraction form
   10,490.31/14,472.47 = 7,302.76/x
3. Step 3: Cross multiply
   10,490.31x = 14,472.47 × 7,302.76
4. Step 4: Simplify right side
   10,490.31x = 105,688,957.09
5. Step 5: Solve for x
   x = 105,688,957.09/10,490.31
6. Step 6: Final answer
   x = 10,074.91