Finding the Fourth Proportional to 2,885,143.74, 4,329,076.41 and 1,287,564.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,885,143.74 : 4,329,076.41 = 1,287,564.54 : x
2. Step 2: Convert to fraction form
   2,885,143.74/4,329,076.41 = 1,287,564.54/x
3. Step 3: Cross multiply
   2,885,143.74x = 4,329,076.41 × 1,287,564.54
4. Step 4: Simplify right side
   2,885,143.74x = 5,573,965,276,466.50
5. Step 5: Solve for x
   x = 5,573,965,276,466.50/2,885,143.74
6. Step 6: Final answer
   x = 1,931,954.10