Finding the Fourth Proportional to 1,437.52, 1,983.72 and 808

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.52 : 1,983.72 = 808 : x
2. Step 2: Convert to fraction form
   1,437.52/1,983.72 = 808/x
3. Step 3: Cross multiply
   1,437.52x = 1,983.72 × 808
4. Step 4: Simplify right side
   1,437.52x = 1,602,845.76
5. Step 5: Solve for x
   x = 1,602,845.76/1,437.52
6. Step 6: Final answer
   x = 1,115.01