Finding the Fourth Proportional to 52,940.66, 73,008.61 and 42,221.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,940.66 : 73,008.61 = 42,221.18 : x
2. Step 2: Convert to fraction form
   52,940.66/73,008.61 = 42,221.18/x
3. Step 3: Cross multiply
   52,940.66x = 73,008.61 × 42,221.18
4. Step 4: Simplify right side
   52,940.66x = 3,082,509,741.33
5. Step 5: Solve for x
   x = 3,082,509,741.33/52,940.66
6. Step 6: Final answer
   x = 58,225.76