Finding the Fourth Proportional to 1,877.55, 2,812.17 and 901.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,877.55 : 2,812.17 = 901.59 : x
2. Step 2: Convert to fraction form
   1,877.55/2,812.17 = 901.59/x
3. Step 3: Cross multiply
   1,877.55x = 2,812.17 × 901.59
4. Step 4: Simplify right side
   1,877.55x = 2,535,424.35
5. Step 5: Solve for x
   x = 2,535,424.35/1,877.55
6. Step 6: Final answer
   x = 1,350.39