Finding the Fourth Proportional to 108,427.42, 149,628.76 and 60,681.12

Step by Step Solution

1. Step 1: Write the proportion equation
   108,427.42 : 149,628.76 = 60,681.12 : x
2. Step 2: Convert to fraction form
   108,427.42/149,628.76 = 60,681.12/x
3. Step 3: Cross multiply
   108,427.42x = 149,628.76 × 60,681.12
4. Step 4: Simplify right side
   108,427.42x = 9,079,640,741.01
5. Step 5: Solve for x
   x = 9,079,640,741.01/108,427.42
6. Step 6: Final answer
   x = 83,739.34