Finding the Fourth Proportional to 108,054.21, 149,128.92 and 60,317.47

Step by Step Solution

1. Step 1: Write the proportion equation
   108,054.21 : 149,128.92 = 60,317.47 : x
2. Step 2: Convert to fraction form
   108,054.21/149,128.92 = 60,317.47/x
3. Step 3: Cross multiply
   108,054.21x = 149,128.92 × 60,317.47
4. Step 4: Simplify right side
   108,054.21x = 8,995,078,111.00
5. Step 5: Solve for x
   x = 8,995,078,111.00/108,054.21
6. Step 6: Final answer
   x = 83,245.98