Finding the Fourth Proportional to 10,980.54, 16,472.52 and 4,742.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.54 : 16,472.52 = 4,742.37 : x
2. Step 2: Convert to fraction form
   10,980.54/16,472.52 = 4,742.37/x
3. Step 3: Cross multiply
   10,980.54x = 16,472.52 × 4,742.37
4. Step 4: Simplify right side
   10,980.54x = 78,118,784.67
5. Step 5: Solve for x
   x = 78,118,784.67/10,980.54
6. Step 6: Final answer
   x = 7,114.29