Finding the Fourth Proportional to 883,019.32, 1,218,569 and 501,045.08

Step by Step Solution

1. Step 1: Write the proportion equation
   883,019.32 : 1,218,569 = 501,045.08 : x
2. Step 2: Convert to fraction form
   883,019.32/1,218,569 = 501,045.08/x
3. Step 3: Cross multiply
   883,019.32x = 1,218,569 × 501,045.08
4. Step 4: Simplify right side
   883,019.32x = 610,558,002,090.52
5. Step 5: Solve for x
   x = 610,558,002,090.52/883,019.32
6. Step 6: Final answer
   x = 691,443.54