Finding the Fourth Proportional to 2,123.06, 2,927.52 and 1,786.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.06 : 2,927.52 = 1,786.91 : x
2. Step 2: Convert to fraction form
   2,123.06/2,927.52 = 1,786.91/x
3. Step 3: Cross multiply
   2,123.06x = 2,927.52 × 1,786.91
4. Step 4: Simplify right side
   2,123.06x = 5,231,200.13
5. Step 5: Solve for x
   x = 5,231,200.13/2,123.06
6. Step 6: Final answer
   x = 2,464.00