Finding the Fourth Proportional to 117,691.83, 162,415.83 and 63,977.01

Step by Step Solution

1. Step 1: Write the proportion equation
   117,691.83 : 162,415.83 = 63,977.01 : x
2. Step 2: Convert to fraction form
   117,691.83/162,415.83 = 63,977.01/x
3. Step 3: Cross multiply
   117,691.83x = 162,415.83 × 63,977.01
4. Step 4: Simplify right side
   117,691.83x = 10,390,879,180.07
5. Step 5: Solve for x
   x = 10,390,879,180.07/117,691.83
6. Step 6: Final answer
   x = 88,288.87