Finding the Fourth Proportional to 791,467.86, 1,092,226.56 and 428,888.55

Step by Step Solution

1. Step 1: Write the proportion equation
   791,467.86 : 1,092,226.56 = 428,888.55 : x
2. Step 2: Convert to fraction form
   791,467.86/1,092,226.56 = 428,888.55/x
3. Step 3: Cross multiply
   791,467.86x = 1,092,226.56 × 428,888.55
4. Step 4: Simplify right side
   791,467.86x = 468,443,465,589.89
5. Step 5: Solve for x
   x = 468,443,465,589.89/791,467.86
6. Step 6: Final answer
   x = 591,866.69