Finding the Fourth Proportional to 105,402.56, 158,112.16 and 30,523.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,402.56 : 158,112.16 = 30,523.88 : x
2. Step 2: Convert to fraction form
   105,402.56/158,112.16 = 30,523.88/x
3. Step 3: Cross multiply
   105,402.56x = 158,112.16 × 30,523.88
4. Step 4: Simplify right side
   105,402.56x = 4,826,196,598.38
5. Step 5: Solve for x
   x = 4,826,196,598.38/105,402.56
6. Step 6: Final answer
   x = 45,788.23