Finding the Fourth Proportional to 2,505.76, 3,755.71 and 1,887.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.76 : 3,755.71 = 1,887.48 : x
2. Step 2: Convert to fraction form
   2,505.76/3,755.71 = 1,887.48/x
3. Step 3: Cross multiply
   2,505.76x = 3,755.71 × 1,887.48
4. Step 4: Simplify right side
   2,505.76x = 7,088,827.51
5. Step 5: Solve for x
   x = 7,088,827.51/2,505.76
6. Step 6: Final answer
   x = 2,829.01