Finding the Fourth Proportional to 10,505.16, 14,490.90 and 7,375.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.16 : 14,490.90 = 7,375.32 : x
2. Step 2: Convert to fraction form
   10,505.16/14,490.90 = 7,375.32/x
3. Step 3: Cross multiply
   10,505.16x = 14,490.90 × 7,375.32
4. Step 4: Simplify right side
   10,505.16x = 106,875,024.59
5. Step 5: Solve for x
   x = 106,875,024.59/10,505.16
6. Step 6: Final answer
   x = 10,173.57