Finding the Fourth Proportional to 2,068.32, 3,099.67 and 1,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.32 : 3,099.67 = 1,142.50 : x
2. Step 2: Convert to fraction form
   2,068.32/3,099.67 = 1,142.50/x
3. Step 3: Cross multiply
   2,068.32x = 3,099.67 × 1,142.50
4. Step 4: Simplify right side
   2,068.32x = 3,541,372.98
5. Step 5: Solve for x
   x = 3,541,372.98/2,068.32
6. Step 6: Final answer
   x = 1,712.20