Finding the Fourth Proportional to 72,193.83, 99,624.62 and 39,926.34

Step by Step Solution

1. Step 1: Write the proportion equation
   72,193.83 : 99,624.62 = 39,926.34 : x
2. Step 2: Convert to fraction form
   72,193.83/99,624.62 = 39,926.34/x
3. Step 3: Cross multiply
   72,193.83x = 99,624.62 × 39,926.34
4. Step 4: Simplify right side
   72,193.83x = 3,977,646,250.86
5. Step 5: Solve for x
   x = 3,977,646,250.86/72,193.83
6. Step 6: Final answer
   x = 55,096.76