Finding the Fourth Proportional to 72,950.96, 109,283.60 and 65,016.74

Step by Step Solution

1. Step 1: Write the proportion equation
   72,950.96 : 109,283.60 = 65,016.74 : x
2. Step 2: Convert to fraction form
   72,950.96/109,283.60 = 65,016.74/x
3. Step 3: Cross multiply
   72,950.96x = 109,283.60 × 65,016.74
4. Step 4: Simplify right side
   72,950.96x = 7,105,263,407.46
5. Step 5: Solve for x
   x = 7,105,263,407.46/72,950.96
6. Step 6: Final answer
   x = 97,397.81