Finding the Fourth Proportional to 112,964.58, 169,315.38 and 83,106

Step by Step Solution

1. Step 1: Write the proportion equation
   112,964.58 : 169,315.38 = 83,106 : x
2. Step 2: Convert to fraction form
   112,964.58/169,315.38 = 83,106/x
3. Step 3: Cross multiply
   112,964.58x = 169,315.38 × 83,106
4. Step 4: Simplify right side
   112,964.58x = 14,071,123,970.28
5. Step 5: Solve for x
   x = 14,071,123,970.28/112,964.58
6. Step 6: Final answer
   x = 124,562.27