Finding the Fourth Proportional to 9,417.35, 12,993.75 and 5,437.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.35 : 12,993.75 = 5,437.72 : x
2. Step 2: Convert to fraction form
   9,417.35/12,993.75 = 5,437.72/x
3. Step 3: Cross multiply
   9,417.35x = 12,993.75 × 5,437.72
4. Step 4: Simplify right side
   9,417.35x = 70,656,374.25
5. Step 5: Solve for x
   x = 70,656,374.25/9,417.35
6. Step 6: Final answer
   x = 7,502.79