Finding the Fourth Proportional to 69,014.42, 103,545.93 and 33,978.68

Step by Step Solution

1. Step 1: Write the proportion equation
   69,014.42 : 103,545.93 = 33,978.68 : x
2. Step 2: Convert to fraction form
   69,014.42/103,545.93 = 33,978.68/x
3. Step 3: Cross multiply
   69,014.42x = 103,545.93 × 33,978.68
4. Step 4: Simplify right side
   69,014.42x = 3,518,354,020.77
5. Step 5: Solve for x
   x = 3,518,354,020.77/69,014.42
6. Step 6: Final answer
   x = 50,979.98