Finding the Fourth Proportional to 2,545.31, 3,818.39 and 901.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.31 : 3,818.39 = 901.51 : x
2. Step 2: Convert to fraction form
   2,545.31/3,818.39 = 901.51/x
3. Step 3: Cross multiply
   2,545.31x = 3,818.39 × 901.51
4. Step 4: Simplify right side
   2,545.31x = 3,442,302.72
5. Step 5: Solve for x
   x = 3,442,302.72/2,545.31
6. Step 6: Final answer
   x = 1,352.41