Finding the Fourth Proportional to 1,938.60, 2,900.71 and 1,159.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.60 : 2,900.71 = 1,159.01 : x
2. Step 2: Convert to fraction form
   1,938.60/2,900.71 = 1,159.01/x
3. Step 3: Cross multiply
   1,938.60x = 2,900.71 × 1,159.01
4. Step 4: Simplify right side
   1,938.60x = 3,361,949.72
5. Step 5: Solve for x
   x = 3,361,949.72/1,938.60
6. Step 6: Final answer
   x = 1,734.22