Finding the Fourth Proportional to 128,300.37, 192,432.31 and 44,059.15

Step by Step Solution

1. Step 1: Write the proportion equation
   128,300.37 : 192,432.31 = 44,059.15 : x
2. Step 2: Convert to fraction form
   128,300.37/192,432.31 = 44,059.15/x
3. Step 3: Cross multiply
   128,300.37x = 192,432.31 × 44,059.15
4. Step 4: Simplify right side
   128,300.37x = 8,478,404,011.14
5. Step 5: Solve for x
   x = 8,478,404,011.14/128,300.37
6. Step 6: Final answer
   x = 66,082.46