Finding the Fourth Proportional to 76,476, 105,553.74 and 42,496.14

Step by Step Solution

1. Step 1: Write the proportion equation
   76,476 : 105,553.74 = 42,496.14 : x
2. Step 2: Convert to fraction form
   76,476/105,553.74 = 42,496.14/x
3. Step 3: Cross multiply
   76,476x = 105,553.74 × 42,496.14
4. Step 4: Simplify right side
   76,476x = 4,485,626,512.56
5. Step 5: Solve for x
   x = 4,485,626,512.56/76,476
6. Step 6: Final answer
   x = 58,654.04