Finding the Fourth Proportional to 113,883.48, 170,928.88 and 60,620.16

Step by Step Solution

1. Step 1: Write the proportion equation
   113,883.48 : 170,928.88 = 60,620.16 : x
2. Step 2: Convert to fraction form
   113,883.48/170,928.88 = 60,620.16/x
3. Step 3: Cross multiply
   113,883.48x = 170,928.88 × 60,620.16
4. Step 4: Simplify right side
   113,883.48x = 10,361,736,054.22
5. Step 5: Solve for x
   x = 10,361,736,054.22/113,883.48
6. Step 6: Final answer
   x = 90,985.42