Finding the Fourth Proportional to 2,123.51, 2,930.45 and 1,192.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.51 : 2,930.45 = 1,192.01 : x
2. Step 2: Convert to fraction form
   2,123.51/2,930.45 = 1,192.01/x
3. Step 3: Cross multiply
   2,123.51x = 2,930.45 × 1,192.01
4. Step 4: Simplify right side
   2,123.51x = 3,493,105.09
5. Step 5: Solve for x
   x = 3,493,105.09/2,123.51
6. Step 6: Final answer
   x = 1,644.97