Finding the Fourth Proportional to 148,456.56, 222,629.58 and 59,680.20

Step by Step Solution

1. Step 1: Write the proportion equation
   148,456.56 : 222,629.58 = 59,680.20 : x
2. Step 2: Convert to fraction form
   148,456.56/222,629.58 = 59,680.20/x
3. Step 3: Cross multiply
   148,456.56x = 222,629.58 × 59,680.20
4. Step 4: Simplify right side
   148,456.56x = 13,286,577,860.32
5. Step 5: Solve for x
   x = 13,286,577,860.32/148,456.56
6. Step 6: Final answer
   x = 89,498.09