Finding the Fourth Proportional to 117,951, 162,772.38 and 64,959

Step by Step Solution

1. Step 1: Write the proportion equation
   117,951 : 162,772.38 = 64,959 : x
2. Step 2: Convert to fraction form
   117,951/162,772.38 = 64,959/x
3. Step 3: Cross multiply
   117,951x = 162,772.38 × 64,959
4. Step 4: Simplify right side
   117,951x = 10,573,531,032.42
5. Step 5: Solve for x
   x = 10,573,531,032.42/117,951
6. Step 6: Final answer
   x = 89,643.42