Finding the Fourth Proportional to 107,300.43, 148,028.36 and 64,834.38

Step by Step Solution

1. Step 1: Write the proportion equation
   107,300.43 : 148,028.36 = 64,834.38 : x
2. Step 2: Convert to fraction form
   107,300.43/148,028.36 = 64,834.38/x
3. Step 3: Cross multiply
   107,300.43x = 148,028.36 × 64,834.38
4. Step 4: Simplify right side
   107,300.43x = 9,597,326,943.02
5. Step 5: Solve for x
   x = 9,597,326,943.02/107,300.43
6. Step 6: Final answer
   x = 89,443.51