Finding the Fourth Proportional to 10,404.61, 14,343.95 and 7,042.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.61 : 14,343.95 = 7,042.10 : x
2. Step 2: Convert to fraction form
   10,404.61/14,343.95 = 7,042.10/x
3. Step 3: Cross multiply
   10,404.61x = 14,343.95 × 7,042.10
4. Step 4: Simplify right side
   10,404.61x = 101,011,476.18
5. Step 5: Solve for x
   x = 101,011,476.18/10,404.61
6. Step 6: Final answer
   x = 9,708.34