Finding the Fourth Proportional to 111,256, 153,533.28 and 60,956.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,256 : 153,533.28 = 60,956.16 : x
2. Step 2: Convert to fraction form
   111,256/153,533.28 = 60,956.16/x
3. Step 3: Cross multiply
   111,256x = 153,533.28 × 60,956.16
4. Step 4: Simplify right side
   111,256x = 9,358,799,181.00
5. Step 5: Solve for x
   x = 9,358,799,181.00/111,256
6. Step 6: Final answer
   x = 84,119.50