Finding the Fourth Proportional to 791,990.72, 1,092,996.96 and 434,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   791,990.72 : 1,092,996.96 = 434,294.72 : x
2. Step 2: Convert to fraction form
   791,990.72/1,092,996.96 = 434,294.72/x
3. Step 3: Cross multiply
   791,990.72x = 1,092,996.96 × 434,294.72
4. Step 4: Simplify right side
   791,990.72x = 474,682,808,704.05
5. Step 5: Solve for x
   x = 474,682,808,704.05/791,990.72
6. Step 6: Final answer
   x = 599,354.00