Finding the Fourth Proportional to 175,619.72, 242,298.06 and 111,978.02

Step by Step Solution

1. Step 1: Write the proportion equation
   175,619.72 : 242,298.06 = 111,978.02 : x
2. Step 2: Convert to fraction form
   175,619.72/242,298.06 = 111,978.02/x
3. Step 3: Cross multiply
   175,619.72x = 242,298.06 × 111,978.02
4. Step 4: Simplify right side
   175,619.72x = 27,132,057,008.64
5. Step 5: Solve for x
   x = 27,132,057,008.64/175,619.72
6. Step 6: Final answer
   x = 154,493.23