Finding the Fourth Proportional to 76,482.83, 105,563.25 and 42,503.03

Step by Step Solution

1. Step 1: Write the proportion equation
   76,482.83 : 105,563.25 = 42,503.03 : x
2. Step 2: Convert to fraction form
   76,482.83/105,563.25 = 42,503.03/x
3. Step 3: Cross multiply
   76,482.83x = 105,563.25 × 42,503.03
4. Step 4: Simplify right side
   76,482.83x = 4,486,757,849.69
5. Step 5: Solve for x
   x = 4,486,757,849.69/76,482.83
6. Step 6: Final answer
   x = 58,663.59