Finding the Fourth Proportional to 111,473.12, 153,828.24 and 61,168.88

Step by Step Solution

1. Step 1: Write the proportion equation
   111,473.12 : 153,828.24 = 61,168.88 : x
2. Step 2: Convert to fraction form
   111,473.12/153,828.24 = 61,168.88/x
3. Step 3: Cross multiply
   111,473.12x = 153,828.24 × 61,168.88
4. Step 4: Simplify right side
   111,473.12x = 9,409,501,153.17
5. Step 5: Solve for x
   x = 9,409,501,153.17/111,473.12
6. Step 6: Final answer
   x = 84,410.49