Finding the Fourth Proportional to 105,099.84, 157,633.29 and 45,919.62

Step by Step Solution

1. Step 1: Write the proportion equation
   105,099.84 : 157,633.29 = 45,919.62 : x
2. Step 2: Convert to fraction form
   105,099.84/157,633.29 = 45,919.62/x
3. Step 3: Cross multiply
   105,099.84x = 157,633.29 × 45,919.62
4. Step 4: Simplify right side
   105,099.84x = 7,238,460,776.15
5. Step 5: Solve for x
   x = 7,238,460,776.15/105,099.84
6. Step 6: Final answer
   x = 68,872.23