Finding the Fourth Proportional to 2,545.65, 3,818.12 and 901.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.65 : 3,818.12 = 901.98 : x
2. Step 2: Convert to fraction form
   2,545.65/3,818.12 = 901.98/x
3. Step 3: Cross multiply
   2,545.65x = 3,818.12 × 901.98
4. Step 4: Simplify right side
   2,545.65x = 3,443,863.37
5. Step 5: Solve for x
   x = 3,443,863.37/2,545.65
6. Step 6: Final answer
   x = 1,352.84