Finding the Fourth Proportional to 73,870.74, 101,941.74 and 42,039.90

Step by Step Solution

1. Step 1: Write the proportion equation
   73,870.74 : 101,941.74 = 42,039.90 : x
2. Step 2: Convert to fraction form
   73,870.74/101,941.74 = 42,039.90/x
3. Step 3: Cross multiply
   73,870.74x = 101,941.74 × 42,039.90
4. Step 4: Simplify right side
   73,870.74x = 4,285,620,555.43
5. Step 5: Solve for x
   x = 4,285,620,555.43/73,870.74
6. Step 6: Final answer
   x = 58,015.13