Finding the Fourth Proportional to 5,074,786.63, 7,003,343.25 and 2,869,979.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,074,786.63 : 7,003,343.25 = 2,869,979.15 : x
2. Step 2: Convert to fraction form
   5,074,786.63/7,003,343.25 = 2,869,979.15/x
3. Step 3: Cross multiply
   5,074,786.63x = 7,003,343.25 × 2,869,979.15
4. Step 4: Simplify right side
   5,074,786.63x = 20,099,449,111,983.02
5. Step 5: Solve for x
   x = 20,099,449,111,983.02/5,074,786.63
6. Step 6: Final answer
   x = 3,960,649.10