Finding the Fourth Proportional to 1,108,699.50, 1,530,005.31 and 599,401.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,699.50 : 1,530,005.31 = 599,401.92 : x
2. Step 2: Convert to fraction form
   1,108,699.50/1,530,005.31 = 599,401.92/x
3. Step 3: Cross multiply
   1,108,699.50x = 1,530,005.31 × 599,401.92
4. Step 4: Simplify right side
   1,108,699.50x = 917,088,120,424.20
5. Step 5: Solve for x
   x = 917,088,120,424.20/1,108,699.50
6. Step 6: Final answer
   x = 827,174.65