Finding the Fourth Proportional to 112,647.34, 169,189.71 and 82,947.88

Step by Step Solution

1. Step 1: Write the proportion equation
   112,647.34 : 169,189.71 = 82,947.88 : x
2. Step 2: Convert to fraction form
   112,647.34/169,189.71 = 82,947.88/x
3. Step 3: Cross multiply
   112,647.34x = 169,189.71 × 82,947.88
4. Step 4: Simplify right side
   112,647.34x = 14,033,927,762.31
5. Step 5: Solve for x
   x = 14,033,927,762.31/112,647.34
6. Step 6: Final answer
   x = 124,582.86