Finding the Fourth Proportional to 1,430.69, 2,147.34 and 737.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430.69 : 2,147.34 = 737.82 : x
2. Step 2: Convert to fraction form
   1,430.69/2,147.34 = 737.82/x
3. Step 3: Cross multiply
   1,430.69x = 2,147.34 × 737.82
4. Step 4: Simplify right side
   1,430.69x = 1,584,350.40
5. Step 5: Solve for x
   x = 1,584,350.40/1,430.69
6. Step 6: Final answer
   x = 1,107.41