Finding the Fourth Proportional to 105,091.58, 157,632.96 and 48,912.36

Step by Step Solution

1. Step 1: Write the proportion equation
   105,091.58 : 157,632.96 = 48,912.36 : x
2. Step 2: Convert to fraction form
   105,091.58/157,632.96 = 48,912.36/x
3. Step 3: Cross multiply
   105,091.58x = 157,632.96 × 48,912.36
4. Step 4: Simplify right side
   105,091.58x = 7,710,200,495.09
5. Step 5: Solve for x
   x = 7,710,200,495.09/105,091.58
6. Step 6: Final answer
   x = 73,366.49