Finding the Fourth Proportional to 42,752.75, 64,140.86 and 17,804.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,752.75 : 64,140.86 = 17,804.48 : x
2. Step 2: Convert to fraction form
   42,752.75/64,140.86 = 17,804.48/x
3. Step 3: Cross multiply
   42,752.75x = 64,140.86 × 17,804.48
4. Step 4: Simplify right side
   42,752.75x = 1,141,994,382.86
5. Step 5: Solve for x
   x = 1,141,994,382.86/42,752.75
6. Step 6: Final answer
   x = 26,711.60