Finding the Fourth Proportional to 67,760.96, 101,606.72 and 28,307.36

Step by Step Solution

1. Step 1: Write the proportion equation
   67,760.96 : 101,606.72 = 28,307.36 : x
2. Step 2: Convert to fraction form
   67,760.96/101,606.72 = 28,307.36/x
3. Step 3: Cross multiply
   67,760.96x = 101,606.72 × 28,307.36
4. Step 4: Simplify right side
   67,760.96x = 2,876,218,001.46
5. Step 5: Solve for x
   x = 2,876,218,001.46/67,760.96
6. Step 6: Final answer
   x = 42,446.54