Finding the Fourth Proportional to 66,067.48, 91,175.88 and 37,773.15

Step by Step Solution

1. Step 1: Write the proportion equation
   66,067.48 : 91,175.88 = 37,773.15 : x
2. Step 2: Convert to fraction form
   66,067.48/91,175.88 = 37,773.15/x
3. Step 3: Cross multiply
   66,067.48x = 91,175.88 × 37,773.15
4. Step 4: Simplify right side
   66,067.48x = 3,444,000,191.62
5. Step 5: Solve for x
   x = 3,444,000,191.62/66,067.48
6. Step 6: Final answer
   x = 52,128.52