Finding the Fourth Proportional to 12,572.61, 17,348.27 and 7,266.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,572.61 : 17,348.27 = 7,266.42 : x
2. Step 2: Convert to fraction form
   12,572.61/17,348.27 = 7,266.42/x
3. Step 3: Cross multiply
   12,572.61x = 17,348.27 × 7,266.42
4. Step 4: Simplify right side
   12,572.61x = 126,059,779.76
5. Step 5: Solve for x
   x = 126,059,779.76/12,572.61
6. Step 6: Final answer
   x = 10,026.54