Finding the Fourth Proportional to 105,499.56, 158,216.29 and 30,624.89

Step by Step Solution

1. Step 1: Write the proportion equation
   105,499.56 : 158,216.29 = 30,624.89 : x
2. Step 2: Convert to fraction form
   105,499.56/158,216.29 = 30,624.89/x
3. Step 3: Cross multiply
   105,499.56x = 158,216.29 × 30,624.89
4. Step 4: Simplify right side
   105,499.56x = 4,845,355,609.81
5. Step 5: Solve for x
   x = 4,845,355,609.81/105,499.56
6. Step 6: Final answer
   x = 45,927.73