Finding the Fourth Proportional to 101,096.27, 139,451.01 and 64,785.48

Step by Step Solution

1. Step 1: Write the proportion equation
   101,096.27 : 139,451.01 = 64,785.48 : x
2. Step 2: Convert to fraction form
   101,096.27/139,451.01 = 64,785.48/x
3. Step 3: Cross multiply
   101,096.27x = 139,451.01 × 64,785.48
4. Step 4: Simplify right side
   101,096.27x = 9,034,400,619.33
5. Step 5: Solve for x
   x = 9,034,400,619.33/101,096.27
6. Step 6: Final answer
   x = 89,364.34