Finding the Fourth Proportional to 2,847,880.17, 4,272,079.83 and 928,298.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847,880.17 : 4,272,079.83 = 928,298.67 : x
2. Step 2: Convert to fraction form
   2,847,880.17/4,272,079.83 = 928,298.67/x
3. Step 3: Cross multiply
   2,847,880.17x = 4,272,079.83 × 928,298.67
4. Step 4: Simplify right side
   2,847,880.17x = 3,965,766,024,322.83
5. Step 5: Solve for x
   x = 3,965,766,024,322.83/2,847,880.17
6. Step 6: Final answer
   x = 1,392,532.62