Finding the Fourth Proportional to 769,808.52, 1,155,759.91 and 433,086.12

Step by Step Solution

1. Step 1: Write the proportion equation
   769,808.52 : 1,155,759.91 = 433,086.12 : x
2. Step 2: Convert to fraction form
   769,808.52/1,155,759.91 = 433,086.12/x
3. Step 3: Cross multiply
   769,808.52x = 1,155,759.91 × 433,086.12
4. Step 4: Simplify right side
   769,808.52x = 500,543,575,073.45
5. Step 5: Solve for x
   x = 500,543,575,073.45/769,808.52
6. Step 6: Final answer
   x = 650,218.28