Finding the Fourth Proportional to 72,330.30, 107,953.18 and 67,606.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,330.30 : 107,953.18 = 67,606.38 : x
2. Step 2: Convert to fraction form
   72,330.30/107,953.18 = 67,606.38/x
3. Step 3: Cross multiply
   72,330.30x = 107,953.18 × 67,606.38
4. Step 4: Simplify right side
   72,330.30x = 7,298,323,709.29
5. Step 5: Solve for x
   x = 7,298,323,709.29/72,330.30
6. Step 6: Final answer
   x = 100,902.72