Finding the Fourth Proportional to 1,562.48, 2,156.06 and 899.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.48 : 2,156.06 = 899.54 : x
2. Step 2: Convert to fraction form
   1,562.48/2,156.06 = 899.54/x
3. Step 3: Cross multiply
   1,562.48x = 2,156.06 × 899.54
4. Step 4: Simplify right side
   1,562.48x = 1,939,462.21
5. Step 5: Solve for x
   x = 1,939,462.21/1,562.48
6. Step 6: Final answer
   x = 1,241.27