Finding the Fourth Proportional to 3,892,385.31, 5,371,470.35 and 2,150,174.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892,385.31 : 5,371,470.35 = 2,150,174.55 : x
2. Step 2: Convert to fraction form
   3,892,385.31/5,371,470.35 = 2,150,174.55/x
3. Step 3: Cross multiply
   3,892,385.31x = 5,371,470.35 × 2,150,174.55
4. Step 4: Simplify right side
   3,892,385.31x = 11,549,598,831,898.72
5. Step 5: Solve for x
   x = 11,549,598,831,898.72/3,892,385.31
6. Step 6: Final answer
   x = 2,967,229.07