Finding the Fourth Proportional to 55,153, 76,105.38 and 31,272.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,153 : 76,105.38 = 31,272.04 : x
2. Step 2: Convert to fraction form
   55,153/76,105.38 = 31,272.04/x
3. Step 3: Cross multiply
   55,153x = 76,105.38 × 31,272.04
4. Step 4: Simplify right side
   55,153x = 2,379,970,487.58
5. Step 5: Solve for x
   x = 2,379,970,487.58/55,153
6. Step 6: Final answer
   x = 43,152.15