Finding the Fourth Proportional to 2,895.78, 4,342.71 and 947.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,895.78 : 4,342.71 = 947.53 : x
2. Step 2: Convert to fraction form
   2,895.78/4,342.71 = 947.53/x
3. Step 3: Cross multiply
   2,895.78x = 4,342.71 × 947.53
4. Step 4: Simplify right side
   2,895.78x = 4,114,856.99
5. Step 5: Solve for x
   x = 4,114,856.99/2,895.78
6. Step 6: Final answer
   x = 1,420.98