Finding the Fourth Proportional to 61,067.54, 91,482.03 and 42,088.78

Step by Step Solution

1. Step 1: Write the proportion equation
   61,067.54 : 91,482.03 = 42,088.78 : x
2. Step 2: Convert to fraction form
   61,067.54/91,482.03 = 42,088.78/x
3. Step 3: Cross multiply
   61,067.54x = 91,482.03 × 42,088.78
4. Step 4: Simplify right side
   61,067.54x = 3,850,367,034.62
5. Step 5: Solve for x
   x = 3,850,367,034.62/61,067.54
6. Step 6: Final answer
   x = 63,050.96