Finding the Fourth Proportional to 101,074.88, 139,528.16 and 65,282.34

Step by Step Solution

1. Step 1: Write the proportion equation
   101,074.88 : 139,528.16 = 65,282.34 : x
2. Step 2: Convert to fraction form
   101,074.88/139,528.16 = 65,282.34/x
3. Step 3: Cross multiply
   101,074.88x = 139,528.16 × 65,282.34
4. Step 4: Simplify right side
   101,074.88x = 9,108,725,399.63
5. Step 5: Solve for x
   x = 9,108,725,399.63/101,074.88
6. Step 6: Final answer
   x = 90,118.59