Finding the Fourth Proportional to 161,561.82, 242,339.27 and 43,233.15

Step by Step Solution

1. Step 1: Write the proportion equation
   161,561.82 : 242,339.27 = 43,233.15 : x
2. Step 2: Convert to fraction form
   161,561.82/242,339.27 = 43,233.15/x
3. Step 3: Cross multiply
   161,561.82x = 242,339.27 × 43,233.15
4. Step 4: Simplify right side
   161,561.82x = 10,477,089,794.63
5. Step 5: Solve for x
   x = 10,477,089,794.63/161,561.82
6. Step 6: Final answer
   x = 64,848.80