Finding the Fourth Proportional to 1,837.59, 2,755.52 and 712.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,837.59 : 2,755.52 = 712.38 : x
2. Step 2: Convert to fraction form
   1,837.59/2,755.52 = 712.38/x
3. Step 3: Cross multiply
   1,837.59x = 2,755.52 × 712.38
4. Step 4: Simplify right side
   1,837.59x = 1,962,980.28
5. Step 5: Solve for x
   x = 1,962,980.28/1,837.59
6. Step 6: Final answer
   x = 1,068.24