Finding the Fourth Proportional to 117,156.96, 161,676.32 and 63,441.98

Step by Step Solution

1. Step 1: Write the proportion equation
   117,156.96 : 161,676.32 = 63,441.98 : x
2. Step 2: Convert to fraction form
   117,156.96/161,676.32 = 63,441.98/x
3. Step 3: Cross multiply
   117,156.96x = 161,676.32 × 63,441.98
4. Step 4: Simplify right side
   117,156.96x = 10,257,065,859.91
5. Step 5: Solve for x
   x = 10,257,065,859.91/117,156.96
6. Step 6: Final answer
   x = 87,549.78