Finding the Fourth Proportional to 9,013.19, 12,437.29 and 5,184.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,013.19 : 12,437.29 = 5,184.72 : x
2. Step 2: Convert to fraction form
   9,013.19/12,437.29 = 5,184.72/x
3. Step 3: Cross multiply
   9,013.19x = 12,437.29 × 5,184.72
4. Step 4: Simplify right side
   9,013.19x = 64,483,866.21
5. Step 5: Solve for x
   x = 64,483,866.21/9,013.19
6. Step 6: Final answer
   x = 7,154.39