Finding the Fourth Proportional to 116,417, 160,615.14 and 65,422.76

Step by Step Solution

1. Step 1: Write the proportion equation
   116,417 : 160,615.14 = 65,422.76 : x
2. Step 2: Convert to fraction form
   116,417/160,615.14 = 65,422.76/x
3. Step 3: Cross multiply
   116,417x = 160,615.14 × 65,422.76
4. Step 4: Simplify right side
   116,417x = 10,507,885,756.59
5. Step 5: Solve for x
   x = 10,507,885,756.59/116,417
6. Step 6: Final answer
   x = 90,260.75