Finding the Fourth Proportional to 1,865.06, 2,796.15 and 1,542.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865.06 : 2,796.15 = 1,542.50 : x
2. Step 2: Convert to fraction form
   1,865.06/2,796.15 = 1,542.50/x
3. Step 3: Cross multiply
   1,865.06x = 2,796.15 × 1,542.50
4. Step 4: Simplify right side
   1,865.06x = 4,313,061.38
5. Step 5: Solve for x
   x = 4,313,061.38/1,865.06
6. Step 6: Final answer
   x = 2,312.56