Finding the Fourth Proportional to 83,870.22, 115,745.72 and 48,066.20

Step by Step Solution

1. Step 1: Write the proportion equation
   83,870.22 : 115,745.72 = 48,066.20 : x
2. Step 2: Convert to fraction form
   83,870.22/115,745.72 = 48,066.20/x
3. Step 3: Cross multiply
   83,870.22x = 115,745.72 × 48,066.20
4. Step 4: Simplify right side
   83,870.22x = 5,563,456,926.66
5. Step 5: Solve for x
   x = 5,563,456,926.66/83,870.22
6. Step 6: Final answer
   x = 66,334.12