Finding the Fourth Proportional to 117,485.83, 162,130.57 and 63,770.84

Step by Step Solution

1. Step 1: Write the proportion equation
   117,485.83 : 162,130.57 = 63,770.84 : x
2. Step 2: Convert to fraction form
   117,485.83/162,130.57 = 63,770.84/x
3. Step 3: Cross multiply
   117,485.83x = 162,130.57 × 63,770.84
4. Step 4: Simplify right side
   117,485.83x = 10,339,201,668.50
5. Step 5: Solve for x
   x = 10,339,201,668.50/117,485.83
6. Step 6: Final answer
   x = 88,003.82