Finding the Fourth Proportional to 108,071.12, 149,111.88 and 63,350.48

Step by Step Solution

1. Step 1: Write the proportion equation
   108,071.12 : 149,111.88 = 63,350.48 : x
2. Step 2: Convert to fraction form
   108,071.12/149,111.88 = 63,350.48/x
3. Step 3: Cross multiply
   108,071.12x = 149,111.88 × 63,350.48
4. Step 4: Simplify right side
   108,071.12x = 9,446,309,171.70
5. Step 5: Solve for x
   x = 9,446,309,171.70/108,071.12
6. Step 6: Final answer
   x = 87,408.27