Finding the Fourth Proportional to 1,412.77, 1,948.35 and 914.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.77 : 1,948.35 = 914.89 : x
2. Step 2: Convert to fraction form
   1,412.77/1,948.35 = 914.89/x
3. Step 3: Cross multiply
   1,412.77x = 1,948.35 × 914.89
4. Step 4: Simplify right side
   1,412.77x = 1,782,525.93
5. Step 5: Solve for x
   x = 1,782,525.93/1,412.77
6. Step 6: Final answer
   x = 1,261.72