Finding the Fourth Proportional to 107,362.69, 148,174.18 and 64,921.52

Step by Step Solution

1. Step 1: Write the proportion equation
   107,362.69 : 148,174.18 = 64,921.52 : x
2. Step 2: Convert to fraction form
   107,362.69/148,174.18 = 64,921.52/x
3. Step 3: Cross multiply
   107,362.69x = 148,174.18 × 64,921.52
4. Step 4: Simplify right side
   107,362.69x = 9,619,693,198.49
5. Step 5: Solve for x
   x = 9,619,693,198.49/107,362.69
6. Step 6: Final answer
   x = 89,599.97