Finding the Fourth Proportional to 76,441.42, 105,485.59 and 42,452.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,441.42 : 105,485.59 = 42,452.10 : x
2. Step 2: Convert to fraction form
   76,441.42/105,485.59 = 42,452.10/x
3. Step 3: Cross multiply
   76,441.42x = 105,485.59 × 42,452.10
4. Step 4: Simplify right side
   76,441.42x = 4,478,084,868.30
5. Step 5: Solve for x
   x = 4,478,084,868.30/76,441.42
6. Step 6: Final answer
   x = 58,581.92