Finding the Fourth Proportional to 112,314.87, 168,389.15 and 53,081.37

Step by Step Solution

1. Step 1: Write the proportion equation
   112,314.87 : 168,389.15 = 53,081.37 : x
2. Step 2: Convert to fraction form
   112,314.87/168,389.15 = 53,081.37/x
3. Step 3: Cross multiply
   112,314.87x = 168,389.15 × 53,081.37
4. Step 4: Simplify right side
   112,314.87x = 8,938,326,509.73
5. Step 5: Solve for x
   x = 8,938,326,509.73/112,314.87
6. Step 6: Final answer
   x = 79,582.75