Finding the Fourth Proportional to 73,975.98, 102,079.53 and 42,142.98

Step by Step Solution

1. Step 1: Write the proportion equation
   73,975.98 : 102,079.53 = 42,142.98 : x
2. Step 2: Convert to fraction form
   73,975.98/102,079.53 = 42,142.98/x
3. Step 3: Cross multiply
   73,975.98x = 102,079.53 × 42,142.98
4. Step 4: Simplify right side
   73,975.98x = 4,301,935,591.20
5. Step 5: Solve for x
   x = 4,301,935,591.20/73,975.98
6. Step 6: Final answer
   x = 58,153.14