Finding the Fourth Proportional to 7,171,406.16, 9,896,251.78 and 3,908,150.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,171,406.16 : 9,896,251.78 = 3,908,150.83 : x
2. Step 2: Convert to fraction form
   7,171,406.16/9,896,251.78 = 3,908,150.83/x
3. Step 3: Cross multiply
   7,171,406.16x = 9,896,251.78 × 3,908,150.83
4. Step 4: Simplify right side
   7,171,406.16x = 38,676,044,558,414.72
5. Step 5: Solve for x
   x = 38,676,044,558,414.72/7,171,406.16
6. Step 6: Final answer
   x = 5,393,090.79