Finding the Fourth Proportional to 3,171,869.50, 4,377,184.72 and 1,721,565.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,869.50 : 4,377,184.72 = 1,721,565.47 : x
2. Step 2: Convert to fraction form
   3,171,869.50/4,377,184.72 = 1,721,565.47/x
3. Step 3: Cross multiply
   3,171,869.50x = 4,377,184.72 × 1,721,565.47
4. Step 4: Simplify right side
   3,171,869.50x = 7,535,610,043,573.78
5. Step 5: Solve for x
   x = 7,535,610,043,573.78/3,171,869.50
6. Step 6: Final answer
   x = 2,375,762.95