Finding the Fourth Proportional to 105,844.76, 146,064.52 and 57,446.77

Step by Step Solution

1. Step 1: Write the proportion equation
   105,844.76 : 146,064.52 = 57,446.77 : x
2. Step 2: Convert to fraction form
   105,844.76/146,064.52 = 57,446.77/x
3. Step 3: Cross multiply
   105,844.76x = 146,064.52 × 57,446.77
4. Step 4: Simplify right side
   105,844.76x = 8,390,934,885.60
5. Step 5: Solve for x
   x = 8,390,934,885.60/105,844.76
6. Step 6: Final answer
   x = 79,275.86