Finding the Fourth Proportional to 69,111.66, 103,559.48 and 48,092.78

Step by Step Solution

1. Step 1: Write the proportion equation
   69,111.66 : 103,559.48 = 48,092.78 : x
2. Step 2: Convert to fraction form
   69,111.66/103,559.48 = 48,092.78/x
3. Step 3: Cross multiply
   69,111.66x = 103,559.48 × 48,092.78
4. Step 4: Simplify right side
   69,111.66x = 4,980,463,288.55
5. Step 5: Solve for x
   x = 4,980,463,288.55/69,111.66
6. Step 6: Final answer
   x = 72,064.01