Finding the Fourth Proportional to 107,300.24, 148,089.76 and 64,281.57

Step by Step Solution

1. Step 1: Write the proportion equation
   107,300.24 : 148,089.76 = 64,281.57 : x
2. Step 2: Convert to fraction form
   107,300.24/148,089.76 = 64,281.57/x
3. Step 3: Cross multiply
   107,300.24x = 148,089.76 × 64,281.57
4. Step 4: Simplify right side
   107,300.24x = 9,519,442,631.74
5. Step 5: Solve for x
   x = 9,519,442,631.74/107,300.24
6. Step 6: Final answer
   x = 88,717.81