Finding the Fourth Proportional to 2,511.55, 3,763.20 and 2,415.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,511.55 : 3,763.20 = 2,415.52 : x
2. Step 2: Convert to fraction form
   2,511.55/3,763.20 = 2,415.52/x
3. Step 3: Cross multiply
   2,511.55x = 3,763.20 × 2,415.52
4. Step 4: Simplify right side
   2,511.55x = 9,090,084.86
5. Step 5: Solve for x
   x = 9,090,084.86/2,511.55
6. Step 6: Final answer
   x = 3,619.31