Finding the Fourth Proportional to 2,040.86, 3,061.35 and 972.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.86 : 3,061.35 = 972.06 : x
2. Step 2: Convert to fraction form
   2,040.86/3,061.35 = 972.06/x
3. Step 3: Cross multiply
   2,040.86x = 3,061.35 × 972.06
4. Step 4: Simplify right side
   2,040.86x = 2,975,800.76
5. Step 5: Solve for x
   x = 2,975,800.76/2,040.86
6. Step 6: Final answer
   x = 1,458.11