Finding the Fourth Proportional to 13,097.88, 18,074.70 and 7,432.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,097.88 : 18,074.70 = 7,432.47 : x
2. Step 2: Convert to fraction form
   13,097.88/18,074.70 = 7,432.47/x
3. Step 3: Cross multiply
   13,097.88x = 18,074.70 × 7,432.47
4. Step 4: Simplify right side
   13,097.88x = 134,339,665.51
5. Step 5: Solve for x
   x = 134,339,665.51/13,097.88
6. Step 6: Final answer
   x = 10,256.60