Finding the Fourth Proportional to 117,476.37, 162,117.45 and 63,761.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,476.37 : 162,117.45 = 63,761.31 : x
2. Step 2: Convert to fraction form
   117,476.37/162,117.45 = 63,761.31/x
3. Step 3: Cross multiply
   117,476.37x = 162,117.45 × 63,761.31
4. Step 4: Simplify right side
   117,476.37x = 10,336,820,985.86
5. Step 5: Solve for x
   x = 10,336,820,985.86/117,476.37
6. Step 6: Final answer
   x = 87,990.64