Finding the Fourth Proportional to 12,462.95, 17,196.91 and 7,427.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,462.95 : 17,196.91 = 7,427.05 : x
2. Step 2: Convert to fraction form
   12,462.95/17,196.91 = 7,427.05/x
3. Step 3: Cross multiply
   12,462.95x = 17,196.91 × 7,427.05
4. Step 4: Simplify right side
   12,462.95x = 127,722,248.86
5. Step 5: Solve for x
   x = 127,722,248.86/12,462.95
6. Step 6: Final answer
   x = 10,248.15