Finding the Fourth Proportional to 8,925.48, 12,317.63 and 5,388.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,925.48 : 12,317.63 = 5,388.93 : x
2. Step 2: Convert to fraction form
   8,925.48/12,317.63 = 5,388.93/x
3. Step 3: Cross multiply
   8,925.48x = 12,317.63 × 5,388.93
4. Step 4: Simplify right side
   8,925.48x = 66,378,818.89
5. Step 5: Solve for x
   x = 66,378,818.89/8,925.48
6. Step 6: Final answer
   x = 7,437.00