Finding the Fourth Proportional to 117,453, 162,085.57 and 63,738.01

Step by Step Solution

1. Step 1: Write the proportion equation
   117,453 : 162,085.57 = 63,738.01 : x
2. Step 2: Convert to fraction form
   117,453/162,085.57 = 63,738.01/x
3. Step 3: Cross multiply
   117,453x = 162,085.57 × 63,738.01
4. Step 4: Simplify right side
   117,453x = 10,331,010,871.09
5. Step 5: Solve for x
   x = 10,331,010,871.09/117,453
6. Step 6: Final answer
   x = 87,958.68