Finding the Fourth Proportional to 117,646.89, 162,349.43 and 63,930.12

Step by Step Solution

1. Step 1: Write the proportion equation
   117,646.89 : 162,349.43 = 63,930.12 : x
2. Step 2: Convert to fraction form
   117,646.89/162,349.43 = 63,930.12/x
3. Step 3: Cross multiply
   117,646.89x = 162,349.43 × 63,930.12
4. Step 4: Simplify right side
   117,646.89x = 10,379,018,541.83
5. Step 5: Solve for x
   x = 10,379,018,541.83/117,646.89
6. Step 6: Final answer
   x = 88,221.78