Finding the Fourth Proportional to 8,913.90, 12,303.25 and 5,929.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,913.90 : 12,303.25 = 5,929.86 : x
2. Step 2: Convert to fraction form
   8,913.90/12,303.25 = 5,929.86/x
3. Step 3: Cross multiply
   8,913.90x = 12,303.25 × 5,929.86
4. Step 4: Simplify right side
   8,913.90x = 72,956,535.22
5. Step 5: Solve for x
   x = 72,956,535.22/8,913.90
6. Step 6: Final answer
   x = 8,184.58