Finding the Fourth Proportional to 309,498, 427,113.72 and 175,362

Step by Step Solution

1. Step 1: Write the proportion equation
   309,498 : 427,113.72 = 175,362 : x
2. Step 2: Convert to fraction form
   309,498/427,113.72 = 175,362/x
3. Step 3: Cross multiply
   309,498x = 427,113.72 × 175,362
4. Step 4: Simplify right side
   309,498x = 74,899,516,166.64
5. Step 5: Solve for x
   x = 74,899,516,166.64/309,498
6. Step 6: Final answer
   x = 242,003.23