Finding the Fourth Proportional to 72,222.08, 99,663.53 and 42,008.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,222.08 : 99,663.53 = 42,008.27 : x
2. Step 2: Convert to fraction form
   72,222.08/99,663.53 = 42,008.27/x
3. Step 3: Cross multiply
   72,222.08x = 99,663.53 × 42,008.27
4. Step 4: Simplify right side
   72,222.08x = 4,186,691,769.03
5. Step 5: Solve for x
   x = 4,186,691,769.03/72,222.08
6. Step 6: Final answer
   x = 57,969.70