Finding the Fourth Proportional to 1,499.71, 2,069.75 and 836.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.71 : 2,069.75 = 836.63 : x
2. Step 2: Convert to fraction form
   1,499.71/2,069.75 = 836.63/x
3. Step 3: Cross multiply
   1,499.71x = 2,069.75 × 836.63
4. Step 4: Simplify right side
   1,499.71x = 1,731,614.94
5. Step 5: Solve for x
   x = 1,731,614.94/1,499.71
6. Step 6: Final answer
   x = 1,154.63