Finding the Fourth Proportional to 7,045,118.48, 9,722,300.76 and 3,947,648.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,045,118.48 : 9,722,300.76 = 3,947,648.40 : x
2. Step 2: Convert to fraction form
   7,045,118.48/9,722,300.76 = 3,947,648.40/x
3. Step 3: Cross multiply
   7,045,118.48x = 9,722,300.76 × 3,947,648.40
4. Step 4: Simplify right side
   7,045,118.48x = 38,380,225,039,532.78
5. Step 5: Solve for x
   x = 38,380,225,039,532.78/7,045,118.48
6. Step 6: Final answer
   x = 5,447,775.67