Finding the Fourth Proportional to 2,333.46, 3,498.21 and 947.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.46 : 3,498.21 = 947.76 : x
2. Step 2: Convert to fraction form
   2,333.46/3,498.21 = 947.76/x
3. Step 3: Cross multiply
   2,333.46x = 3,498.21 × 947.76
4. Step 4: Simplify right side
   2,333.46x = 3,315,463.51
5. Step 5: Solve for x
   x = 3,315,463.51/2,333.46
6. Step 6: Final answer
   x = 1,420.84