Finding the Fourth Proportional to 2,505.06, 3,756.78 and 1,043.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.06 : 3,756.78 = 1,043.55 : x
2. Step 2: Convert to fraction form
   2,505.06/3,756.78 = 1,043.55/x
3. Step 3: Cross multiply
   2,505.06x = 3,756.78 × 1,043.55
4. Step 4: Simplify right side
   2,505.06x = 3,920,387.77
5. Step 5: Solve for x
   x = 3,920,387.77/2,505.06
6. Step 6: Final answer
   x = 1,564.99