Finding the Fourth Proportional to 76,003.23, 104,880.36 and 42,009.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,003.23 : 104,880.36 = 42,009.69 : x
2. Step 2: Convert to fraction form
   76,003.23/104,880.36 = 42,009.69/x
3. Step 3: Cross multiply
   76,003.23x = 104,880.36 × 42,009.69
4. Step 4: Simplify right side
   76,003.23x = 4,405,991,410.69
5. Step 5: Solve for x
   x = 4,405,991,410.69/76,003.23
6. Step 6: Final answer
   x = 57,971.11