Finding the Fourth Proportional to 105,074.78, 157,523.46 and 48,885.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,074.78 : 157,523.46 = 48,885.88 : x
2. Step 2: Convert to fraction form
   105,074.78/157,523.46 = 48,885.88/x
3. Step 3: Cross multiply
   105,074.78x = 157,523.46 × 48,885.88
4. Step 4: Simplify right side
   105,074.78x = 7,700,672,962.74
5. Step 5: Solve for x
   x = 7,700,672,962.74/105,074.78
6. Step 6: Final answer
   x = 73,287.55