Finding the Fourth Proportional to 899,683.13, 1,240,758.77 and 746,478.72

Step by Step Solution

1. Step 1: Write the proportion equation
   899,683.13 : 1,240,758.77 = 746,478.72 : x
2. Step 2: Convert to fraction form
   899,683.13/1,240,758.77 = 746,478.72/x
3. Step 3: Cross multiply
   899,683.13x = 1,240,758.77 × 746,478.72
4. Step 4: Simplify right side
   899,683.13x = 926,200,014,725.98
5. Step 5: Solve for x
   x = 926,200,014,725.98/899,683.13
6. Step 6: Final answer
   x = 1,029,473.58