Finding the Fourth Proportional to 117,959, 162,780.99 and 64,244.96

Step by Step Solution

1. Step 1: Write the proportion equation
   117,959 : 162,780.99 = 64,244.96 : x
2. Step 2: Convert to fraction form
   117,959/162,780.99 = 64,244.96/x
3. Step 3: Cross multiply
   117,959x = 162,780.99 × 64,244.96
4. Step 4: Simplify right side
   117,959x = 10,457,858,191.31
5. Step 5: Solve for x
   x = 10,457,858,191.31/117,959
6. Step 6: Final answer
   x = 88,656.72