Finding the Fourth Proportional to 107,300.18, 148,028.02 and 64,834.13

Step by Step Solution

1. Step 1: Write the proportion equation
   107,300.18 : 148,028.02 = 64,834.13 : x
2. Step 2: Convert to fraction form
   107,300.18/148,028.02 = 64,834.13/x
3. Step 3: Cross multiply
   107,300.18x = 148,028.02 × 64,834.13
4. Step 4: Simplify right side
   107,300.18x = 9,597,266,990.10
5. Step 5: Solve for x
   x = 9,597,266,990.10/107,300.18
6. Step 6: Final answer
   x = 89,443.16