Finding the Fourth Proportional to 76,527.87, 105,607.77 and 42,535.49

Step by Step Solution

1. Step 1: Write the proportion equation
   76,527.87 : 105,607.77 = 42,535.49 : x
2. Step 2: Convert to fraction form
   76,527.87/105,607.77 = 42,535.49/x
3. Step 3: Cross multiply
   76,527.87x = 105,607.77 × 42,535.49
4. Step 4: Simplify right side
   76,527.87x = 4,492,077,716.72
5. Step 5: Solve for x
   x = 4,492,077,716.72/76,527.87
6. Step 6: Final answer
   x = 58,698.59