Finding the Fourth Proportional to 2,612,936.82, 3,919,444.62 and 907,134.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612,936.82 : 3,919,444.62 = 907,134.28 : x
2. Step 2: Convert to fraction form
   2,612,936.82/3,919,444.62 = 907,134.28/x
3. Step 3: Cross multiply
   2,612,936.82x = 3,919,444.62 × 907,134.28
4. Step 4: Simplify right side
   2,612,936.82x = 3,555,462,573,363.57
5. Step 5: Solve for x
   x = 3,555,462,573,363.57/2,612,936.82
6. Step 6: Final answer
   x = 1,360,715.10