Finding the Fourth Proportional to 28,641.32, 42,965.75 and 10,627.10

Step by Step Solution

1. Step 1: Write the proportion equation
   28,641.32 : 42,965.75 = 10,627.10 : x
2. Step 2: Convert to fraction form
   28,641.32/42,965.75 = 10,627.10/x
3. Step 3: Cross multiply
   28,641.32x = 42,965.75 × 10,627.10
4. Step 4: Simplify right side
   28,641.32x = 456,601,053.86
5. Step 5: Solve for x
   x = 456,601,053.86/28,641.32
6. Step 6: Final answer
   x = 15,942.04