Finding the Fourth Proportional to 66,540.83, 91,926.50 and 43,625.09

Step by Step Solution

1. Step 1: Write the proportion equation
   66,540.83 : 91,926.50 = 43,625.09 : x
2. Step 2: Convert to fraction form
   66,540.83/91,926.50 = 43,625.09/x
3. Step 3: Cross multiply
   66,540.83x = 91,926.50 × 43,625.09
4. Step 4: Simplify right side
   66,540.83x = 4,010,301,847.58
5. Step 5: Solve for x
   x = 4,010,301,847.58/66,540.83
6. Step 6: Final answer
   x = 60,268.29