Finding the Fourth Proportional to 105,432.99, 158,157.59 and 30,554.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,432.99 : 158,157.59 = 30,554.16 : x
2. Step 2: Convert to fraction form
   105,432.99/158,157.59 = 30,554.16/x
3. Step 3: Cross multiply
   105,432.99x = 158,157.59 × 30,554.16
4. Step 4: Simplify right side
   105,432.99x = 4,832,372,157.30
5. Step 5: Solve for x
   x = 4,832,372,157.30/105,432.99
6. Step 6: Final answer
   x = 45,833.59