Finding the Fourth Proportional to 5,726,155.55, 8,589,009.15 and 1,939,638.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,726,155.55 : 8,589,009.15 = 1,939,638.42 : x
2. Step 2: Convert to fraction form
   5,726,155.55/8,589,009.15 = 1,939,638.42/x
3. Step 3: Cross multiply
   5,726,155.55x = 8,589,009.15 × 1,939,638.42
4. Step 4: Simplify right side
   5,726,155.55x = 16,659,572,137,071.54
5. Step 5: Solve for x
   x = 16,659,572,137,071.54/5,726,155.55
6. Step 6: Final answer
   x = 2,909,381.70