Finding the Fourth Proportional to 172,991.42, 259,522.14 and 73,151.46

Step by Step Solution

1. Step 1: Write the proportion equation
   172,991.42 : 259,522.14 = 73,151.46 : x
2. Step 2: Convert to fraction form
   172,991.42/259,522.14 = 73,151.46/x
3. Step 3: Cross multiply
   172,991.42x = 259,522.14 × 73,151.46
4. Step 4: Simplify right side
   172,991.42x = 18,984,423,443.32
5. Step 5: Solve for x
   x = 18,984,423,443.32/172,991.42
6. Step 6: Final answer
   x = 109,741.99