Finding the Fourth Proportional to 791,106.56, 1,091,732.30 and 428,530.42

Step by Step Solution

1. Step 1: Write the proportion equation
   791,106.56 : 1,091,732.30 = 428,530.42 : x
2. Step 2: Convert to fraction form
   791,106.56/1,091,732.30 = 428,530.42/x
3. Step 3: Cross multiply
   791,106.56x = 1,091,732.30 × 428,530.42
4. Step 4: Simplify right side
   791,106.56x = 467,840,501,046.57
5. Step 5: Solve for x
   x = 467,840,501,046.57/791,106.56
6. Step 6: Final answer
   x = 591,374.82