Finding the Fourth Proportional to 1,086,898.72, 1,499,967.12 and 603,463.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,898.72 : 1,499,967.12 = 603,463.96 : x
2. Step 2: Convert to fraction form
   1,086,898.72/1,499,967.12 = 603,463.96/x
3. Step 3: Cross multiply
   1,086,898.72x = 1,499,967.12 × 603,463.96
4. Step 4: Simplify right side
   1,086,898.72x = 905,176,098,105.00
5. Step 5: Solve for x
   x = 905,176,098,105.00/1,086,898.72
6. Step 6: Final answer
   x = 832,806.30