Finding the Fourth Proportional to 72,065.67, 108,100.94 and 19,475.61

Step by Step Solution

1. Step 1: Write the proportion equation
   72,065.67 : 108,100.94 = 19,475.61 : x
2. Step 2: Convert to fraction form
   72,065.67/108,100.94 = 19,475.61/x
3. Step 3: Cross multiply
   72,065.67x = 108,100.94 × 19,475.61
4. Step 4: Simplify right side
   72,065.67x = 2,105,331,650.70
5. Step 5: Solve for x
   x = 2,105,331,650.70/72,065.67
6. Step 6: Final answer
   x = 29,214.07