Finding the Fourth Proportional to 1,116,107.34, 1,540,238.94 and 606,820.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,107.34 : 1,540,238.94 = 606,820.56 : x
2. Step 2: Convert to fraction form
   1,116,107.34/1,540,238.94 = 606,820.56/x
3. Step 3: Cross multiply
   1,116,107.34x = 1,540,238.94 × 606,820.56
4. Step 4: Simplify right side
   1,116,107.34x = 934,648,656,104.61
5. Step 5: Solve for x
   x = 934,648,656,104.61/1,116,107.34
6. Step 6: Final answer
   x = 837,418.25