Finding the Fourth Proportional to 1,529.17, 2,109.32 and 1,333.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,529.17 : 2,109.32 = 1,333.15 : x
2. Step 2: Convert to fraction form
   1,529.17/2,109.32 = 1,333.15/x
3. Step 3: Cross multiply
   1,529.17x = 2,109.32 × 1,333.15
4. Step 4: Simplify right side
   1,529.17x = 2,812,033.29
5. Step 5: Solve for x
   x = 2,812,033.29/1,529.17
6. Step 6: Final answer
   x = 1,838.93