Finding the Fourth Proportional to 72,171, 99,595.98 and 43,876.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,171 : 99,595.98 = 43,876.69 : x
2. Step 2: Convert to fraction form
   72,171/99,595.98 = 43,876.69/x
3. Step 3: Cross multiply
   72,171x = 99,595.98 × 43,876.69
4. Step 4: Simplify right side
   72,171x = 4,369,941,690.72
5. Step 5: Solve for x
   x = 4,369,941,690.72/72,171
6. Step 6: Final answer
   x = 60,549.83