Finding the Fourth Proportional to 73,960.06, 102,064.88 and 42,147.42

Step by Step Solution

1. Step 1: Write the proportion equation
   73,960.06 : 102,064.88 = 42,147.42 : x
2. Step 2: Convert to fraction form
   73,960.06/102,064.88 = 42,147.42/x
3. Step 3: Cross multiply
   73,960.06x = 102,064.88 × 42,147.42
4. Step 4: Simplify right side
   73,960.06x = 4,301,771,364.61
5. Step 5: Solve for x
   x = 4,301,771,364.61/73,960.06
6. Step 6: Final answer
   x = 58,163.44