Finding the Fourth Proportional to 118,955, 164,157.90 and 65,963

Step by Step Solution

1. Step 1: Write the proportion equation
   118,955 : 164,157.90 = 65,963 : x
2. Step 2: Convert to fraction form
   118,955/164,157.90 = 65,963/x
3. Step 3: Cross multiply
   118,955x = 164,157.90 × 65,963
4. Step 4: Simplify right side
   118,955x = 10,828,347,557.70
5. Step 5: Solve for x
   x = 10,828,347,557.70/118,955
6. Step 6: Final answer
   x = 91,028.94