Finding the Fourth Proportional to 89,627.60, 134,103.61 and 53,470.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,627.60 : 134,103.61 = 53,470.34 : x
2. Step 2: Convert to fraction form
   89,627.60/134,103.61 = 53,470.34/x
3. Step 3: Cross multiply
   89,627.60x = 134,103.61 × 53,470.34
4. Step 4: Simplify right side
   89,627.60x = 7,170,565,621.93
5. Step 5: Solve for x
   x = 7,170,565,621.93/89,627.60
6. Step 6: Final answer
   x = 80,003.99