Finding the Fourth Proportional to 53,452.16, 80,090.68 and 28,465.68

Step by Step Solution

1. Step 1: Write the proportion equation
   53,452.16 : 80,090.68 = 28,465.68 : x
2. Step 2: Convert to fraction form
   53,452.16/80,090.68 = 28,465.68/x
3. Step 3: Cross multiply
   53,452.16x = 80,090.68 × 28,465.68
4. Step 4: Simplify right side
   53,452.16x = 2,279,835,667.86
5. Step 5: Solve for x
   x = 2,279,835,667.86/53,452.16
6. Step 6: Final answer
   x = 42,651.89