Finding the Fourth Proportional to 8,973.04, 12,380.72 and 5,435.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,973.04 : 12,380.72 = 5,435.48 : x
2. Step 2: Convert to fraction form
   8,973.04/12,380.72 = 5,435.48/x
3. Step 3: Cross multiply
   8,973.04x = 12,380.72 × 5,435.48
4. Step 4: Simplify right side
   8,973.04x = 67,295,155.95
5. Step 5: Solve for x
   x = 67,295,155.95/8,973.04
6. Step 6: Final answer
   x = 7,499.71