Finding the Fourth Proportional to 10,980.56, 16,465.80 and 4,737.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.56 : 16,465.80 = 4,737.58 : x
2. Step 2: Convert to fraction form
   10,980.56/16,465.80 = 4,737.58/x
3. Step 3: Cross multiply
   10,980.56x = 16,465.80 × 4,737.58
4. Step 4: Simplify right side
   10,980.56x = 78,008,044.76
5. Step 5: Solve for x
   x = 78,008,044.76/10,980.56
6. Step 6: Final answer
   x = 7,104.20