Finding the Fourth Proportional to 1,399,404.08, 2,099,411.76 and 452,870.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,404.08 : 2,099,411.76 = 452,870.48 : x
2. Step 2: Convert to fraction form
   1,399,404.08/2,099,411.76 = 452,870.48/x
3. Step 3: Cross multiply
   1,399,404.08x = 2,099,411.76 × 452,870.48
4. Step 4: Simplify right side
   1,399,404.08x = 950,761,611,468.85
5. Step 5: Solve for x
   x = 950,761,611,468.85/1,399,404.08
6. Step 6: Final answer
   x = 679,404.63