Finding the Fourth Proportional to 3,558,093.28, 5,337,150.72 and 862,407.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558,093.28 : 5,337,150.72 = 862,407.88 : x
2. Step 2: Convert to fraction form
   3,558,093.28/5,337,150.72 = 862,407.88/x
3. Step 3: Cross multiply
   3,558,093.28x = 5,337,150.72 × 862,407.88
4. Step 4: Simplify right side
   3,558,093.28x = 4,602,800,837,675.67
5. Step 5: Solve for x
   x = 4,602,800,837,675.67/3,558,093.28
6. Step 6: Final answer
   x = 1,293,614.44