Finding the Fourth Proportional to 53,550.89, 80,374.52 and 28,612.25

Step by Step Solution

1. Step 1: Write the proportion equation
   53,550.89 : 80,374.52 = 28,612.25 : x
2. Step 2: Convert to fraction form
   53,550.89/80,374.52 = 28,612.25/x
3. Step 3: Cross multiply
   53,550.89x = 80,374.52 × 28,612.25
4. Step 4: Simplify right side
   53,550.89x = 2,299,695,917.75
5. Step 5: Solve for x
   x = 2,299,695,917.75/53,550.89
6. Step 6: Final answer
   x = 42,944.13