Finding the Fourth Proportional to 11,347.59, 15,649.20 and 7,097.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,347.59 : 15,649.20 = 7,097.30 : x
2. Step 2: Convert to fraction form
   11,347.59/15,649.20 = 7,097.30/x
3. Step 3: Cross multiply
   11,347.59x = 15,649.20 × 7,097.30
4. Step 4: Simplify right side
   11,347.59x = 111,066,988.91
5. Step 5: Solve for x
   x = 111,066,988.91/11,347.59
6. Step 6: Final answer
   x = 9,787.72