Finding the Fourth Proportional to 5,120,883.71, 7,679,636.69 and 1,708,229.87

Step by Step Solution

1. Step 1: Write the proportion equation
   5,120,883.71 : 7,679,636.69 = 1,708,229.87 : x
2. Step 2: Convert to fraction form
   5,120,883.71/7,679,636.69 = 1,708,229.87/x
3. Step 3: Cross multiply
   5,120,883.71x = 7,679,636.69 × 1,708,229.87
4. Step 4: Simplify right side
   5,120,883.71x = 13,118,584,776,064.78
5. Step 5: Solve for x
   x = 13,118,584,776,064.78/5,120,883.71
6. Step 6: Final answer
   x = 2,561,781.43