Finding the Fourth Proportional to 8,901.58, 13,364.52 and 5,008.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,901.58 : 13,364.52 = 5,008.72 : x
2. Step 2: Convert to fraction form
   8,901.58/13,364.52 = 5,008.72/x
3. Step 3: Cross multiply
   8,901.58x = 13,364.52 × 5,008.72
4. Step 4: Simplify right side
   8,901.58x = 66,939,138.61
5. Step 5: Solve for x
   x = 66,939,138.61/8,901.58
6. Step 6: Final answer
   x = 7,519.92