Finding the Fourth Proportional to 1,532.84, 2,113.83 and 972.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,532.84 : 2,113.83 = 972.72 : x
2. Step 2: Convert to fraction form
   1,532.84/2,113.83 = 972.72/x
3. Step 3: Cross multiply
   1,532.84x = 2,113.83 × 972.72
4. Step 4: Simplify right side
   1,532.84x = 2,056,164.72
5. Step 5: Solve for x
   x = 2,056,164.72/1,532.84
6. Step 6: Final answer
   x = 1,341.41