Finding the Fourth Proportional to 53,894.32, 80,734.32 and 42,152.56

Step by Step Solution

1. Step 1: Write the proportion equation
   53,894.32 : 80,734.32 = 42,152.56 : x
2. Step 2: Convert to fraction form
   53,894.32/80,734.32 = 42,152.56/x
3. Step 3: Cross multiply
   53,894.32x = 80,734.32 × 42,152.56
4. Step 4: Simplify right side
   53,894.32x = 3,403,158,267.86
5. Step 5: Solve for x
   x = 3,403,158,267.86/53,894.32
6. Step 6: Final answer
   x = 63,145.03