Finding the Fourth Proportional to 790,654.55, 1,091,089.98 and 428,075.48

Step by Step Solution

1. Step 1: Write the proportion equation
   790,654.55 : 1,091,089.98 = 428,075.48 : x
2. Step 2: Convert to fraction form
   790,654.55/1,091,089.98 = 428,075.48/x
3. Step 3: Cross multiply
   790,654.55x = 1,091,089.98 × 428,075.48
4. Step 4: Simplify right side
   790,654.55x = 467,068,866,911.69
5. Step 5: Solve for x
   x = 467,068,866,911.69/790,654.55
6. Step 6: Final answer
   x = 590,736.96