Finding the Fourth Proportional to 76,041.45, 104,944.01 and 42,057.90

Step by Step Solution

1. Step 1: Write the proportion equation
   76,041.45 : 104,944.01 = 42,057.90 : x
2. Step 2: Convert to fraction form
   76,041.45/104,944.01 = 42,057.90/x
3. Step 3: Cross multiply
   76,041.45x = 104,944.01 × 42,057.90
4. Step 4: Simplify right side
   76,041.45x = 4,413,724,467.89
5. Step 5: Solve for x
   x = 4,413,724,467.89/76,041.45
6. Step 6: Final answer
   x = 58,043.67