Finding the Fourth Proportional to 2,895.78, 4,342.59 and 947.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,895.78 : 4,342.59 = 947.46 : x
2. Step 2: Convert to fraction form
   2,895.78/4,342.59 = 947.46/x
3. Step 3: Cross multiply
   2,895.78x = 4,342.59 × 947.46
4. Step 4: Simplify right side
   2,895.78x = 4,114,430.32
5. Step 5: Solve for x
   x = 4,114,430.32/2,895.78
6. Step 6: Final answer
   x = 1,420.84