Finding the Fourth Proportional to 73,985.40, 102,096.86 and 42,151.59

Step by Step Solution

1. Step 1: Write the proportion equation
   73,985.40 : 102,096.86 = 42,151.59 : x
2. Step 2: Convert to fraction form
   73,985.40/102,096.86 = 42,151.59/x
3. Step 3: Cross multiply
   73,985.40x = 102,096.86 × 42,151.59
4. Step 4: Simplify right side
   73,985.40x = 4,303,544,772.25
5. Step 5: Solve for x
   x = 4,303,544,772.25/73,985.40
6. Step 6: Final answer
   x = 58,167.49