Finding the Fourth Proportional to 5,905,385.72, 8,149,432.23 and 3,189,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,905,385.72 : 8,149,432.23 = 3,189,131.72 : x
2. Step 2: Convert to fraction form
   5,905,385.72/8,149,432.23 = 3,189,131.72/x
3. Step 3: Cross multiply
   5,905,385.72x = 8,149,432.23 × 3,189,131.72
4. Step 4: Simplify right side
   5,905,385.72x = 25,989,612,816,710.51
5. Step 5: Solve for x
   x = 25,989,612,816,710.51/5,905,385.72
6. Step 6: Final answer
   x = 4,401,001.74