Finding the Fourth Proportional to 1,499.77, 2,069.52 and 836.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.77 : 2,069.52 = 836.50 : x
2. Step 2: Convert to fraction form
   1,499.77/2,069.52 = 836.50/x
3. Step 3: Cross multiply
   1,499.77x = 2,069.52 × 836.50
4. Step 4: Simplify right side
   1,499.77x = 1,731,161.93
5. Step 5: Solve for x
   x = 1,731,161.93/1,499.77
6. Step 6: Final answer
   x = 1,154.29