Finding the Fourth Proportional to 3,105,833.44, 4,658,748.72 and 861,970.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105,833.44 : 4,658,748.72 = 861,970.72 : x
2. Step 2: Convert to fraction form
   3,105,833.44/4,658,748.72 = 861,970.72/x
3. Step 3: Cross multiply
   3,105,833.44x = 4,658,748.72 × 861,970.72
4. Step 4: Simplify right side
   3,105,833.44x = 4,015,704,988,477.48
5. Step 5: Solve for x
   x = 4,015,704,988,477.48/3,105,833.44
6. Step 6: Final answer
   x = 1,292,955.68