Finding the Fourth Proportional to 10,839.40, 14,970.70 and 7,296.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,839.40 : 14,970.70 = 7,296.46 : x
2. Step 2: Convert to fraction form
   10,839.40/14,970.70 = 7,296.46/x
3. Step 3: Cross multiply
   10,839.40x = 14,970.70 × 7,296.46
4. Step 4: Simplify right side
   10,839.40x = 109,233,113.72
5. Step 5: Solve for x
   x = 109,233,113.72/10,839.40
6. Step 6: Final answer
   x = 10,077.41