Finding the Fourth Proportional to 12,615.01, 17,407.95 and 7,308.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,615.01 : 17,407.95 = 7,308.91 : x
2. Step 2: Convert to fraction form
   12,615.01/17,407.95 = 7,308.91/x
3. Step 3: Cross multiply
   12,615.01x = 17,407.95 × 7,308.91
4. Step 4: Simplify right side
   12,615.01x = 127,233,139.83
5. Step 5: Solve for x
   x = 127,233,139.83/12,615.01
6. Step 6: Final answer
   x = 10,085.85