Finding the Fourth Proportional to 69,013.31, 103,544.27 and 33,977.57

Step by Step Solution

1. Step 1: Write the proportion equation
   69,013.31 : 103,544.27 = 33,977.57 : x
2. Step 2: Convert to fraction form
   69,013.31/103,544.27 = 33,977.57/x
3. Step 3: Cross multiply
   69,013.31x = 103,544.27 × 33,977.57
4. Step 4: Simplify right side
   69,013.31x = 3,518,183,025.83
5. Step 5: Solve for x
   x = 3,518,183,025.83/69,013.31
6. Step 6: Final answer
   x = 50,978.32