Finding the Fourth Proportional to 2,068.69, 3,101.59 and 972

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.69 : 3,101.59 = 972 : x
2. Step 2: Convert to fraction form
   2,068.69/3,101.59 = 972/x
3. Step 3: Cross multiply
   2,068.69x = 3,101.59 × 972
4. Step 4: Simplify right side
   2,068.69x = 3,014,746.70
5. Step 5: Solve for x
   x = 3,014,746.70/2,068.69
6. Step 6: Final answer
   x = 1,457.32