Finding the Fourth Proportional to 162,614.91, 243,914.83 and 42,668.89

Step by Step Solution

1. Step 1: Write the proportion equation
   162,614.91 : 243,914.83 = 42,668.89 : x
2. Step 2: Convert to fraction form
   162,614.91/243,914.83 = 42,668.89/x
3. Step 3: Cross multiply
   162,614.91x = 243,914.83 × 42,668.89
4. Step 4: Simplify right side
   162,614.91x = 10,407,575,050.64
5. Step 5: Solve for x
   x = 10,407,575,050.64/162,614.91
6. Step 6: Final answer
   x = 64,001.36