Finding the Fourth Proportional to 800,064.72, 1,199,727.72 and 294,498.96

Step by Step Solution

1. Step 1: Write the proportion equation
   800,064.72 : 1,199,727.72 = 294,498.96 : x
2. Step 2: Convert to fraction form
   800,064.72/1,199,727.72 = 294,498.96/x
3. Step 3: Cross multiply
   800,064.72x = 1,199,727.72 × 294,498.96
4. Step 4: Simplify right side
   800,064.72x = 353,318,565,823.17
5. Step 5: Solve for x
   x = 353,318,565,823.17/800,064.72
6. Step 6: Final answer
   x = 441,612.48