Finding the Fourth Proportional to 3,826,340.86, 5,739,841.77 and 986,429.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826,340.86 : 5,739,841.77 = 986,429.02 : x
2. Step 2: Convert to fraction form
   3,826,340.86/5,739,841.77 = 986,429.02/x
3. Step 3: Cross multiply
   3,826,340.86x = 5,739,841.77 × 986,429.02
4. Step 4: Simplify right side
   3,826,340.86x = 5,661,946,492,136.17
5. Step 5: Solve for x
   x = 5,661,946,492,136.17/3,826,340.86
6. Step 6: Final answer
   x = 1,479,728.73