Finding the Fourth Proportional to 116,962, 161,407.28 and 65,974.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116,962 : 161,407.28 = 65,974.56 : x
2. Step 2: Convert to fraction form
   116,962/161,407.28 = 65,974.56/x
3. Step 3: Cross multiply
   116,962x = 161,407.28 × 65,974.56
4. Step 4: Simplify right side
   116,962x = 10,648,774,278.80
5. Step 5: Solve for x
   x = 10,648,774,278.80/116,962
6. Step 6: Final answer
   x = 91,044.73