Finding the Fourth Proportional to 830,041.38, 1,244,117.61 and 505,112.83

Step by Step Solution

1. Step 1: Write the proportion equation
   830,041.38 : 1,244,117.61 = 505,112.83 : x
2. Step 2: Convert to fraction form
   830,041.38/1,244,117.61 = 505,112.83/x
3. Step 3: Cross multiply
   830,041.38x = 1,244,117.61 × 505,112.83
4. Step 4: Simplify right side
   830,041.38x = 628,419,758,093.78
5. Step 5: Solve for x
   x = 628,419,758,093.78/830,041.38
6. Step 6: Final answer
   x = 757,094.50