Finding the Fourth Proportional to 117,832.59, 162,610.92 and 64,117.89

Step by Step Solution

1. Step 1: Write the proportion equation
   117,832.59 : 162,610.92 = 64,117.89 : x
2. Step 2: Convert to fraction form
   117,832.59/162,610.92 = 64,117.89/x
3. Step 3: Cross multiply
   117,832.59x = 162,610.92 × 64,117.89
4. Step 4: Simplify right side
   117,832.59x = 10,426,269,081.36
5. Step 5: Solve for x
   x = 10,426,269,081.36/117,832.59
6. Step 6: Final answer
   x = 88,483.75