Finding the Fourth Proportional to 108,064.16, 149,128.60 and 60,317.48

Step by Step Solution

1. Step 1: Write the proportion equation
   108,064.16 : 149,128.60 = 60,317.48 : x
2. Step 2: Convert to fraction form
   108,064.16/149,128.60 = 60,317.48/x
3. Step 3: Cross multiply
   108,064.16x = 149,128.60 × 60,317.48
4. Step 4: Simplify right side
   108,064.16x = 8,995,061,347.93
5. Step 5: Solve for x
   x = 8,995,061,347.93/108,064.16
6. Step 6: Final answer
   x = 83,238.16