Finding the Fourth Proportional to 2,385.01, 3,290.55 and 1,376.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.01 : 3,290.55 = 1,376.56 : x
2. Step 2: Convert to fraction form
   2,385.01/3,290.55 = 1,376.56/x
3. Step 3: Cross multiply
   2,385.01x = 3,290.55 × 1,376.56
4. Step 4: Simplify right side
   2,385.01x = 4,529,639.51
5. Step 5: Solve for x
   x = 4,529,639.51/2,385.01
6. Step 6: Final answer
   x = 1,899.21