Finding the Fourth Proportional to 10,118.40, 13,952.52 and 7,430.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.40 : 13,952.52 = 7,430.76 : x
2. Step 2: Convert to fraction form
   10,118.40/13,952.52 = 7,430.76/x
3. Step 3: Cross multiply
   10,118.40x = 13,952.52 × 7,430.76
4. Step 4: Simplify right side
   10,118.40x = 103,677,827.52
5. Step 5: Solve for x
   x = 103,677,827.52/10,118.40
6. Step 6: Final answer
   x = 10,246.46