Finding the Fourth Proportional to 1,092,139.91, 1,638,947.98 and 382,174.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092,139.91 : 1,638,947.98 = 382,174.10 : x
2. Step 2: Convert to fraction form
   1,092,139.91/1,638,947.98 = 382,174.10/x
3. Step 3: Cross multiply
   1,092,139.91x = 1,638,947.98 × 382,174.10
4. Step 4: Simplify right side
   1,092,139.91x = 626,363,467,632.35
5. Step 5: Solve for x
   x = 626,363,467,632.35/1,092,139.91
6. Step 6: Final answer
   x = 573,519.44