Finding the Fourth Proportional to 10,948.72, 16,422.98 and 7,430.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,948.72 : 16,422.98 = 7,430.02 : x
2. Step 2: Convert to fraction form
   10,948.72/16,422.98 = 7,430.02/x
3. Step 3: Cross multiply
   10,948.72x = 16,422.98 × 7,430.02
4. Step 4: Simplify right side
   10,948.72x = 122,023,069.86
5. Step 5: Solve for x
   x = 122,023,069.86/10,948.72
6. Step 6: Final answer
   x = 11,144.96