Finding the Fourth Proportional to 117,848.18, 162,630.38 and 64,133.10

Step by Step Solution

1. Step 1: Write the proportion equation
   117,848.18 : 162,630.38 = 64,133.10 : x
2. Step 2: Convert to fraction form
   117,848.18/162,630.38 = 64,133.10/x
3. Step 3: Cross multiply
   117,848.18x = 162,630.38 × 64,133.10
4. Step 4: Simplify right side
   117,848.18x = 10,429,990,583.91
5. Step 5: Solve for x
   x = 10,429,990,583.91/117,848.18
6. Step 6: Final answer
   x = 88,503.62