Finding the Fourth Proportional to 76,436.37, 105,483.96 and 42,444

Step by Step Solution

1. Step 1: Write the proportion equation
   76,436.37 : 105,483.96 = 42,444 : x
2. Step 2: Convert to fraction form
   76,436.37/105,483.96 = 42,444/x
3. Step 3: Cross multiply
   76,436.37x = 105,483.96 × 42,444
4. Step 4: Simplify right side
   76,436.37x = 4,477,161,198.24
5. Step 5: Solve for x
   x = 4,477,161,198.24/76,436.37
6. Step 6: Final answer
   x = 58,573.70