Finding the Fourth Proportional to 2,298.31, 3,445.83 and 1,187.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.31 : 3,445.83 = 1,187.25 : x
2. Step 2: Convert to fraction form
   2,298.31/3,445.83 = 1,187.25/x
3. Step 3: Cross multiply
   2,298.31x = 3,445.83 × 1,187.25
4. Step 4: Simplify right side
   2,298.31x = 4,091,061.67
5. Step 5: Solve for x
   x = 4,091,061.67/2,298.31
6. Step 6: Final answer
   x = 1,780.03