Finding the Fourth Proportional to 101,410.56, 139,900.02 and 65,612.10

Step by Step Solution

1. Step 1: Write the proportion equation
   101,410.56 : 139,900.02 = 65,612.10 : x
2. Step 2: Convert to fraction form
   101,410.56/139,900.02 = 65,612.10/x
3. Step 3: Cross multiply
   101,410.56x = 139,900.02 × 65,612.10
4. Step 4: Simplify right side
   101,410.56x = 9,179,134,102.24
5. Step 5: Solve for x
   x = 9,179,134,102.24/101,410.56
6. Step 6: Final answer
   x = 90,514.58