Finding the Fourth Proportional to 53,407.15, 80,158.25 and 28,467.79

Step by Step Solution

1. Step 1: Write the proportion equation
   53,407.15 : 80,158.25 = 28,467.79 : x
2. Step 2: Convert to fraction form
   53,407.15/80,158.25 = 28,467.79/x
3. Step 3: Cross multiply
   53,407.15x = 80,158.25 × 28,467.79
4. Step 4: Simplify right side
   53,407.15x = 2,281,928,085.43
5. Step 5: Solve for x
   x = 2,281,928,085.43/53,407.15
6. Step 6: Final answer
   x = 42,727.01