Finding the Fourth Proportional to 111,570.32, 153,968.04 and 61,269.68

Step by Step Solution

1. Step 1: Write the proportion equation
   111,570.32 : 153,968.04 = 61,269.68 : x
2. Step 2: Convert to fraction form
   111,570.32/153,968.04 = 61,269.68/x
3. Step 3: Cross multiply
   111,570.32x = 153,968.04 × 61,269.68
4. Step 4: Simplify right side
   111,570.32x = 9,433,572,541.03
5. Step 5: Solve for x
   x = 9,433,572,541.03/111,570.32
6. Step 6: Final answer
   x = 84,552.71