Finding the Fourth Proportional to 110,429.91, 152,354.41 and 72,211.81

Step by Step Solution

1. Step 1: Write the proportion equation
   110,429.91 : 152,354.41 = 72,211.81 : x
2. Step 2: Convert to fraction form
   110,429.91/152,354.41 = 72,211.81/x
3. Step 3: Cross multiply
   110,429.91x = 152,354.41 × 72,211.81
4. Step 4: Simplify right side
   110,429.91x = 11,001,787,707.58
5. Step 5: Solve for x
   x = 11,001,787,707.58/110,429.91
6. Step 6: Final answer
   x = 99,626.88