Finding the Fourth Proportional to 2,187,978.45, 3,282,483.21 and 748,677.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,978.45 : 3,282,483.21 = 748,677.52 : x
2. Step 2: Convert to fraction form
   2,187,978.45/3,282,483.21 = 748,677.52/x
3. Step 3: Cross multiply
   2,187,978.45x = 3,282,483.21 × 748,677.52
4. Step 4: Simplify right side
   2,187,978.45x = 2,457,521,389,104.44
5. Step 5: Solve for x
   x = 2,457,521,389,104.44/2,187,978.45
6. Step 6: Final answer
   x = 1,123,192.68