Finding the Fourth Proportional to 98,150.88, 147,148.32 and 42,708

Step by Step Solution

1. Step 1: Write the proportion equation
   98,150.88 : 147,148.32 = 42,708 : x
2. Step 2: Convert to fraction form
   98,150.88/147,148.32 = 42,708/x
3. Step 3: Cross multiply
   98,150.88x = 147,148.32 × 42,708
4. Step 4: Simplify right side
   98,150.88x = 6,284,410,450.56
5. Step 5: Solve for x
   x = 6,284,410,450.56/98,150.88
6. Step 6: Final answer
   x = 64,028.06