Finding the Fourth Proportional to 52,664.82, 78,989.42 and 19,377.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,664.82 : 78,989.42 = 19,377.10 : x
2. Step 2: Convert to fraction form
   52,664.82/78,989.42 = 19,377.10/x
3. Step 3: Cross multiply
   52,664.82x = 78,989.42 × 19,377.10
4. Step 4: Simplify right side
   52,664.82x = 1,530,585,890.28
5. Step 5: Solve for x
   x = 1,530,585,890.28/52,664.82
6. Step 6: Final answer
   x = 29,062.78