Finding the Fourth Proportional to 788,870.19, 1,089,357.87 and 594,945.72

Step by Step Solution

1. Step 1: Write the proportion equation
   788,870.19 : 1,089,357.87 = 594,945.72 : x
2. Step 2: Convert to fraction form
   788,870.19/1,089,357.87 = 594,945.72/x
3. Step 3: Cross multiply
   788,870.19x = 1,089,357.87 × 594,945.72
4. Step 4: Simplify right side
   788,870.19x = 648,108,802,304.82
5. Step 5: Solve for x
   x = 648,108,802,304.82/788,870.19
6. Step 6: Final answer
   x = 821,565.84