Finding the Fourth Proportional to 12,402.01, 17,115.16 and 7,098.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402.01 : 17,115.16 = 7,098.53 : x
2. Step 2: Convert to fraction form
   12,402.01/17,115.16 = 7,098.53/x
3. Step 3: Cross multiply
   12,402.01x = 17,115.16 × 7,098.53
4. Step 4: Simplify right side
   12,402.01x = 121,492,501.76
5. Step 5: Solve for x
   x = 121,492,501.76/12,402.01
6. Step 6: Final answer
   x = 9,796.20