Finding the Fourth Proportional to 1,002,998.72, 1,384,138.22 and 573,288.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,998.72 : 1,384,138.22 = 573,288.08 : x
2. Step 2: Convert to fraction form
   1,002,998.72/1,384,138.22 = 573,288.08/x
3. Step 3: Cross multiply
   1,002,998.72x = 1,384,138.22 × 573,288.08
4. Step 4: Simplify right side
   1,002,998.72x = 793,509,942,598.42
5. Step 5: Solve for x
   x = 793,509,942,598.42/1,002,998.72
6. Step 6: Final answer
   x = 791,137.54