Finding the Fourth Proportional to 9,302.89, 12,837.33 and 5,270.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,302.89 : 12,837.33 = 5,270.13 : x
2. Step 2: Convert to fraction form
   9,302.89/12,837.33 = 5,270.13/x
3. Step 3: Cross multiply
   9,302.89x = 12,837.33 × 5,270.13
4. Step 4: Simplify right side
   9,302.89x = 67,654,397.95
5. Step 5: Solve for x
   x = 67,654,397.95/9,302.89
6. Step 6: Final answer
   x = 7,272.41