Finding the Fourth Proportional to 2,101.02, 3,152.34 and 946.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.02 : 3,152.34 = 946.50 : x
2. Step 2: Convert to fraction form
   2,101.02/3,152.34 = 946.50/x
3. Step 3: Cross multiply
   2,101.02x = 3,152.34 × 946.50
4. Step 4: Simplify right side
   2,101.02x = 2,983,689.81
5. Step 5: Solve for x
   x = 2,983,689.81/2,101.02
6. Step 6: Final answer
   x = 1,420.11