Finding the Fourth Proportional to 123,106.98, 169,929.18 and 76,576.08

Step by Step Solution

1. Step 1: Write the proportion equation
   123,106.98 : 169,929.18 = 76,576.08 : x
2. Step 2: Convert to fraction form
   123,106.98/169,929.18 = 76,576.08/x
3. Step 3: Cross multiply
   123,106.98x = 169,929.18 × 76,576.08
4. Step 4: Simplify right side
   123,106.98x = 13,012,510,482.01
5. Step 5: Solve for x
   x = 13,012,510,482.01/123,106.98
6. Step 6: Final answer
   x = 105,700.83