Finding the Fourth Proportional to 4,920.25, 7,381.82 and 1,457.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,920.25 : 7,381.82 = 1,457.59 : x
2. Step 2: Convert to fraction form
   4,920.25/7,381.82 = 1,457.59/x
3. Step 3: Cross multiply
   4,920.25x = 7,381.82 × 1,457.59
4. Step 4: Simplify right side
   4,920.25x = 10,759,667.01
5. Step 5: Solve for x
   x = 10,759,667.01/4,920.25
6. Step 6: Final answer
   x = 2,186.81