Finding the Fourth Proportional to 2,373.32, 3,558.71 and 1,187.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.32 : 3,558.71 = 1,187.17 : x
2. Step 2: Convert to fraction form
   2,373.32/3,558.71 = 1,187.17/x
3. Step 3: Cross multiply
   2,373.32x = 3,558.71 × 1,187.17
4. Step 4: Simplify right side
   2,373.32x = 4,224,787.82
5. Step 5: Solve for x
   x = 4,224,787.82/2,373.32
6. Step 6: Final answer
   x = 1,780.12