Finding the Fourth Proportional to 3,776,215.40, 5,217,805.86 and 3,018,521.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776,215.40 : 5,217,805.86 = 3,018,521.96 : x
2. Step 2: Convert to fraction form
   3,776,215.40/5,217,805.86 = 3,018,521.96/x
3. Step 3: Cross multiply
   3,776,215.40x = 5,217,805.86 × 3,018,521.96
4. Step 4: Simplify right side
   3,776,215.40x = 15,750,061,571,426.69
5. Step 5: Solve for x
   x = 15,750,061,571,426.69/3,776,215.40
6. Step 6: Final answer
   x = 4,170,858.89