Finding the Fourth Proportional to 1,385.67, 2,068.16 and 1,162.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.67 : 2,068.16 = 1,162.11 : x
2. Step 2: Convert to fraction form
   1,385.67/2,068.16 = 1,162.11/x
3. Step 3: Cross multiply
   1,385.67x = 2,068.16 × 1,162.11
4. Step 4: Simplify right side
   1,385.67x = 2,403,423.61
5. Step 5: Solve for x
   x = 2,403,423.61/1,385.67
6. Step 6: Final answer
   x = 1,734.48