Finding the Fourth Proportional to 107,196.81, 147,935.53 and 64,747.14

Step by Step Solution

1. Step 1: Write the proportion equation
   107,196.81 : 147,935.53 = 64,747.14 : x
2. Step 2: Convert to fraction form
   107,196.81/147,935.53 = 64,747.14/x
3. Step 3: Cross multiply
   107,196.81x = 147,935.53 × 64,747.14
4. Step 4: Simplify right side
   107,196.81x = 9,578,402,471.88
5. Step 5: Solve for x
   x = 9,578,402,471.88/107,196.81
6. Step 6: Final answer
   x = 89,353.43