Finding the Fourth Proportional to 1,723,056,376.10, 2,585,336,337.98 and 603,383,659.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723,056,376.10 : 2,585,336,337.98 = 603,383,659.31 : x
2. Step 2: Convert to fraction form
   1,723,056,376.10/2,585,336,337.98 = 603,383,659.31/x
3. Step 3: Cross multiply
   1,723,056,376.10x = 2,585,336,337.98 × 603,383,659.31
4. Step 4: Simplify right side
   1,723,056,376.10x = 1,559,949,700,162,227,456
5. Step 5: Solve for x
   x = 1,559,949,700,162,227,456/1,723,056,376.10
6. Step 6: Final answer
   x = 905,338,746.78