Finding the Fourth Proportional to 1,210.69, 1,816.69 and 937.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210.69 : 1,816.69 = 937.32 : x
2. Step 2: Convert to fraction form
   1,210.69/1,816.69 = 937.32/x
3. Step 3: Cross multiply
   1,210.69x = 1,816.69 × 937.32
4. Step 4: Simplify right side
   1,210.69x = 1,702,810.79
5. Step 5: Solve for x
   x = 1,702,810.79/1,210.69
6. Step 6: Final answer
   x = 1,406.48