Finding the Fourth Proportional to 1,402.98, 2,100.69 and 914.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.98 : 2,100.69 = 914.82 : x
2. Step 2: Convert to fraction form
   1,402.98/2,100.69 = 914.82/x
3. Step 3: Cross multiply
   1,402.98x = 2,100.69 × 914.82
4. Step 4: Simplify right side
   1,402.98x = 1,921,753.23
5. Step 5: Solve for x
   x = 1,921,753.23/1,402.98
6. Step 6: Final answer
   x = 1,369.77