Finding the Fourth Proportional to 2,018,816.72, 2,785,263.51 and 1,294,064.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018,816.72 : 2,785,263.51 = 1,294,064.06 : x
2. Step 2: Convert to fraction form
   2,018,816.72/2,785,263.51 = 1,294,064.06/x
3. Step 3: Cross multiply
   2,018,816.72x = 2,785,263.51 × 1,294,064.06
4. Step 4: Simplify right side
   2,018,816.72x = 3,604,309,405,920.45
5. Step 5: Solve for x
   x = 3,604,309,405,920.45/2,018,816.72
6. Step 6: Final answer
   x = 1,785,357.42