Finding the Fourth Proportional to 1,567.76, 2,335.72 and 1,552.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.76 : 2,335.72 = 1,552.40 : x
2. Step 2: Convert to fraction form
   1,567.76/2,335.72 = 1,552.40/x
3. Step 3: Cross multiply
   1,567.76x = 2,335.72 × 1,552.40
4. Step 4: Simplify right side
   1,567.76x = 3,625,971.73
5. Step 5: Solve for x
   x = 3,625,971.73/1,567.76
6. Step 6: Final answer
   x = 2,312.84