Finding the Fourth Proportional to 1,476.96, 2,216.81 and 747.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476.96 : 2,216.81 = 747.05 : x
2. Step 2: Convert to fraction form
   1,476.96/2,216.81 = 747.05/x
3. Step 3: Cross multiply
   1,476.96x = 2,216.81 × 747.05
4. Step 4: Simplify right side
   1,476.96x = 1,656,075.32
5. Step 5: Solve for x
   x = 1,656,075.32/1,476.96
6. Step 6: Final answer
   x = 1,121.27