Finding the Fourth Proportional to 116,837.31, 161,235.56 and 63,122.30

Step by Step Solution

1. Step 1: Write the proportion equation
   116,837.31 : 161,235.56 = 63,122.30 : x
2. Step 2: Convert to fraction form
   116,837.31/161,235.56 = 63,122.30/x
3. Step 3: Cross multiply
   116,837.31x = 161,235.56 × 63,122.30
4. Step 4: Simplify right side
   116,837.31x = 10,177,559,949.88
5. Step 5: Solve for x
   x = 10,177,559,949.88/116,837.31
6. Step 6: Final answer
   x = 87,108.82