Finding the Fourth Proportional to 1,936.50, 2,905.76 and 1,059.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,936.50 : 2,905.76 = 1,059.63 : x
2. Step 2: Convert to fraction form
   1,936.50/2,905.76 = 1,059.63/x
3. Step 3: Cross multiply
   1,936.50x = 2,905.76 × 1,059.63
4. Step 4: Simplify right side
   1,936.50x = 3,079,030.47
5. Step 5: Solve for x
   x = 3,079,030.47/1,936.50
6. Step 6: Final answer
   x = 1,590.00