Finding the Fourth Proportional to 76,144.12, 105,082.32 and 42,610.12

Step by Step Solution

1. Step 1: Write the proportion equation
   76,144.12 : 105,082.32 = 42,610.12 : x
2. Step 2: Convert to fraction form
   76,144.12/105,082.32 = 42,610.12/x
3. Step 3: Cross multiply
   76,144.12x = 105,082.32 × 42,610.12
4. Step 4: Simplify right side
   76,144.12x = 4,477,570,265.08
5. Step 5: Solve for x
   x = 4,477,570,265.08/76,144.12
6. Step 6: Final answer
   x = 58,803.89