Finding the Fourth Proportional to 1,931.63, 2,890.27 and 1,152.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.63 : 2,890.27 = 1,152.06 : x
2. Step 2: Convert to fraction form
   1,931.63/2,890.27 = 1,152.06/x
3. Step 3: Cross multiply
   1,931.63x = 2,890.27 × 1,152.06
4. Step 4: Simplify right side
   1,931.63x = 3,329,748.58
5. Step 5: Solve for x
   x = 3,329,748.58/1,931.63
6. Step 6: Final answer
   x = 1,723.80