Finding the Fourth Proportional to 3,780.46, 5,664.29 and 2,316.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780.46 : 5,664.29 = 2,316.56 : x
2. Step 2: Convert to fraction form
   3,780.46/5,664.29 = 2,316.56/x
3. Step 3: Cross multiply
   3,780.46x = 5,664.29 × 2,316.56
4. Step 4: Simplify right side
   3,780.46x = 13,121,667.64
5. Step 5: Solve for x
   x = 13,121,667.64/3,780.46
6. Step 6: Final answer
   x = 3,470.92