Finding the Fourth Proportional to 6,871,061.58, 9,479,938.62 and 3,969,393.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,871,061.58 : 9,479,938.62 = 3,969,393.72 : x
2. Step 2: Convert to fraction form
   6,871,061.58/9,479,938.62 = 3,969,393.72/x
3. Step 3: Cross multiply
   6,871,061.58x = 9,479,938.62 × 3,969,393.72
4. Step 4: Simplify right side
   6,871,061.58x = 37,629,608,824,213.47
5. Step 5: Solve for x
   x = 37,629,608,824,213.47/6,871,061.58
6. Step 6: Final answer
   x = 5,476,534.94