Finding the Fourth Proportional to 175,503.32, 242,173.72 and 99,017.94

Step by Step Solution

1. Step 1: Write the proportion equation
   175,503.32 : 242,173.72 = 99,017.94 : x
2. Step 2: Convert to fraction form
   175,503.32/242,173.72 = 99,017.94/x
3. Step 3: Cross multiply
   175,503.32x = 242,173.72 × 99,017.94
4. Step 4: Simplify right side
   175,503.32x = 23,979,542,628.99
5. Step 5: Solve for x
   x = 23,979,542,628.99/175,503.32
6. Step 6: Final answer
   x = 136,632.99