Finding the Fourth Proportional to 806,671.34, 1,113,200.52 and 444,101.57

Step by Step Solution

1. Step 1: Write the proportion equation
   806,671.34 : 1,113,200.52 = 444,101.57 : x
2. Step 2: Convert to fraction form
   806,671.34/1,113,200.52 = 444,101.57/x
3. Step 3: Cross multiply
   806,671.34x = 1,113,200.52 × 444,101.57
4. Step 4: Simplify right side
   806,671.34x = 494,374,098,656.82
5. Step 5: Solve for x
   x = 494,374,098,656.82/806,671.34
6. Step 6: Final answer
   x = 612,856.90