Finding the Fourth Proportional to 10,654.94, 15,980.59 and 4,810.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,654.94 : 15,980.59 = 4,810.19 : x
2. Step 2: Convert to fraction form
   10,654.94/15,980.59 = 4,810.19/x
3. Step 3: Cross multiply
   10,654.94x = 15,980.59 × 4,810.19
4. Step 4: Simplify right side
   10,654.94x = 76,869,600.32
5. Step 5: Solve for x
   x = 76,869,600.32/10,654.94
6. Step 6: Final answer
   x = 7,214.45