Finding the Fourth Proportional to 10,145.60, 14,009.82 and 6,375.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,145.60 : 14,009.82 = 6,375.30 : x
2. Step 2: Convert to fraction form
   10,145.60/14,009.82 = 6,375.30/x
3. Step 3: Cross multiply
   10,145.60x = 14,009.82 × 6,375.30
4. Step 4: Simplify right side
   10,145.60x = 89,316,805.45
5. Step 5: Solve for x
   x = 89,316,805.45/10,145.60
6. Step 6: Final answer
   x = 8,803.51