Finding the Fourth Proportional to 1,402.06, 1,920.83 and 1,349.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.06 : 1,920.83 = 1,349.51 : x
2. Step 2: Convert to fraction form
   1,402.06/1,920.83 = 1,349.51/x
3. Step 3: Cross multiply
   1,402.06x = 1,920.83 × 1,349.51
4. Step 4: Simplify right side
   1,402.06x = 2,592,179.29
5. Step 5: Solve for x
   x = 2,592,179.29/1,402.06
6. Step 6: Final answer
   x = 1,848.84