Finding the Fourth Proportional to 11,814,576.10, 17,721,864.15 and 2,839,128.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,814,576.10 : 17,721,864.15 = 2,839,128.10 : x
2. Step 2: Convert to fraction form
   11,814,576.10/17,721,864.15 = 2,839,128.10/x
3. Step 3: Cross multiply
   11,814,576.10x = 17,721,864.15 × 2,839,128.10
4. Step 4: Simplify right side
   11,814,576.10x = 50,314,642,492,647.61
5. Step 5: Solve for x
   x = 50,314,642,492,647.61/11,814,576.10
6. Step 6: Final answer
   x = 4,258,692.15