Finding the Fourth Proportional to 108,459.36, 149,656.68 and 60,714.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,459.36 : 149,656.68 = 60,714.72 : x
2. Step 2: Convert to fraction form
   108,459.36/149,656.68 = 60,714.72/x
3. Step 3: Cross multiply
   108,459.36x = 149,656.68 × 60,714.72
4. Step 4: Simplify right side
   108,459.36x = 9,086,363,422.33
5. Step 5: Solve for x
   x = 9,086,363,422.33/108,459.36
6. Step 6: Final answer
   x = 83,776.66