Finding the Fourth Proportional to 3,380,407.92, 5,069,541.44 and 1,105,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380,407.92 : 5,069,541.44 = 1,105,406.72 : x
2. Step 2: Convert to fraction form
   3,380,407.92/5,069,541.44 = 1,105,406.72/x
3. Step 3: Cross multiply
   3,380,407.92x = 5,069,541.44 × 1,105,406.72
4. Step 4: Simplify right side
   3,380,407.92x = 5,603,905,175,094.48
5. Step 5: Solve for x
   x = 5,603,905,175,094.48/3,380,407.92
6. Step 6: Final answer
   x = 1,657,760.04