Finding the Fourth Proportional to 59,196.36, 81,714.06 and 40,066.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,196.36 : 81,714.06 = 40,066.80 : x
2. Step 2: Convert to fraction form
   59,196.36/81,714.06 = 40,066.80/x
3. Step 3: Cross multiply
   59,196.36x = 81,714.06 × 40,066.80
4. Step 4: Simplify right side
   59,196.36x = 3,274,020,899.21
5. Step 5: Solve for x
   x = 3,274,020,899.21/59,196.36
6. Step 6: Final answer
   x = 55,307.81