Finding the Fourth Proportional to 73,839.98, 101,895.62 and 42,005.90

Step by Step Solution

1. Step 1: Write the proportion equation
   73,839.98 : 101,895.62 = 42,005.90 : x
2. Step 2: Convert to fraction form
   73,839.98/101,895.62 = 42,005.90/x
3. Step 3: Cross multiply
   73,839.98x = 101,895.62 × 42,005.90
4. Step 4: Simplify right side
   73,839.98x = 4,280,217,224.16
5. Step 5: Solve for x
   x = 4,280,217,224.16/73,839.98
6. Step 6: Final answer
   x = 57,966.12