Finding the Fourth Proportional to 105,092.72, 157,634.67 and 48,913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,092.72 : 157,634.67 = 48,913.50 : x
2. Step 2: Convert to fraction form
   105,092.72/157,634.67 = 48,913.50/x
3. Step 3: Cross multiply
   105,092.72x = 157,634.67 × 48,913.50
4. Step 4: Simplify right side
   105,092.72x = 7,710,463,431.05
5. Step 5: Solve for x
   x = 7,710,463,431.05/105,092.72
6. Step 6: Final answer
   x = 73,368.20