Finding the Fourth Proportional to 105,008.88, 157,491.84 and 30,108.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,008.88 : 157,491.84 = 30,108.96 : x
2. Step 2: Convert to fraction form
   105,008.88/157,491.84 = 30,108.96/x
3. Step 3: Cross multiply
   105,008.88x = 157,491.84 × 30,108.96
4. Step 4: Simplify right side
   105,008.88x = 4,741,915,510.89
5. Step 5: Solve for x
   x = 4,741,915,510.89/105,008.88
6. Step 6: Final answer
   x = 45,157.28