Finding the Fourth Proportional to 9,003.18, 12,430.35 and 5,864.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,003.18 : 12,430.35 = 5,864.70 : x
2. Step 2: Convert to fraction form
   9,003.18/12,430.35 = 5,864.70/x
3. Step 3: Cross multiply
   9,003.18x = 12,430.35 × 5,864.70
4. Step 4: Simplify right side
   9,003.18x = 72,900,273.65
5. Step 5: Solve for x
   x = 72,900,273.65/9,003.18
6. Step 6: Final answer
   x = 8,097.17