Finding the Fourth Proportional to 161,323.32, 241,996.50 and 42,994.04

Step by Step Solution

1. Step 1: Write the proportion equation
   161,323.32 : 241,996.50 = 42,994.04 : x
2. Step 2: Convert to fraction form
   161,323.32/241,996.50 = 42,994.04/x
3. Step 3: Cross multiply
   161,323.32x = 241,996.50 × 42,994.04
4. Step 4: Simplify right side
   161,323.32x = 10,404,407,200.86
5. Step 5: Solve for x
   x = 10,404,407,200.86/161,323.32
6. Step 6: Final answer
   x = 64,494.13