Finding the Fourth Proportional to 96,483.12, 133,156.56 and 55,648.86

Step by Step Solution

1. Step 1: Write the proportion equation
   96,483.12 : 133,156.56 = 55,648.86 : x
2. Step 2: Convert to fraction form
   96,483.12/133,156.56 = 55,648.86/x
3. Step 3: Cross multiply
   96,483.12x = 133,156.56 × 55,648.86
4. Step 4: Simplify right side
   96,483.12x = 7,410,010,765.52
5. Step 5: Solve for x
   x = 7,410,010,765.52/96,483.12
6. Step 6: Final answer
   x = 76,801.11