Finding the Fourth Proportional to 2,068.50, 3,101.13 and 972.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.50 : 3,101.13 = 972.57 : x
2. Step 2: Convert to fraction form
   2,068.50/3,101.13 = 972.57/x
3. Step 3: Cross multiply
   2,068.50x = 3,101.13 × 972.57
4. Step 4: Simplify right side
   2,068.50x = 3,016,066.00
5. Step 5: Solve for x
   x = 3,016,066.00/2,068.50
6. Step 6: Final answer
   x = 1,458.09