Finding the Fourth Proportional to 2,591.76, 3,869.79 and 2,345.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.76 : 3,869.79 = 2,345.52 : x
2. Step 2: Convert to fraction form
   2,591.76/3,869.79 = 2,345.52/x
3. Step 3: Cross multiply
   2,591.76x = 3,869.79 × 2,345.52
4. Step 4: Simplify right side
   2,591.76x = 9,076,669.84
5. Step 5: Solve for x
   x = 9,076,669.84/2,591.76
6. Step 6: Final answer
   x = 3,502.13