Finding the Fourth Proportional to 108,477.77, 149,714.27 and 65,459.48

Step by Step Solution

1. Step 1: Write the proportion equation
   108,477.77 : 149,714.27 = 65,459.48 : x
2. Step 2: Convert to fraction form
   108,477.77/149,714.27 = 65,459.48/x
3. Step 3: Cross multiply
   108,477.77x = 149,714.27 × 65,459.48
4. Step 4: Simplify right side
   108,477.77x = 9,800,217,186.91
5. Step 5: Solve for x
   x = 9,800,217,186.91/108,477.77
6. Step 6: Final answer
   x = 90,343.10