Finding the Fourth Proportional to 2,626,079.52, 3,940,889.56 and 920,238.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626,079.52 : 3,940,889.56 = 920,238.16 : x
2. Step 2: Convert to fraction form
   2,626,079.52/3,940,889.56 = 920,238.16/x
3. Step 3: Cross multiply
   2,626,079.52x = 3,940,889.56 × 920,238.16
4. Step 4: Simplify right side
   2,626,079.52x = 3,626,556,957,457.61
5. Step 5: Solve for x
   x = 3,626,556,957,457.61/2,626,079.52
6. Step 6: Final answer
   x = 1,380,977.59