Finding the Fourth Proportional to 117,156.98, 161,676.41 and 63,441.83

Step by Step Solution

1. Step 1: Write the proportion equation
   117,156.98 : 161,676.41 = 63,441.83 : x
2. Step 2: Convert to fraction form
   117,156.98/161,676.41 = 63,441.83/x
3. Step 3: Cross multiply
   117,156.98x = 161,676.41 × 63,441.83
4. Step 4: Simplify right side
   117,156.98x = 10,257,047,405.21
5. Step 5: Solve for x
   x = 10,257,047,405.21/117,156.98
6. Step 6: Final answer
   x = 87,549.60