Finding the Fourth Proportional to 123,066.60, 169,932.80 and 77,817.84

Step by Step Solution

1. Step 1: Write the proportion equation
   123,066.60 : 169,932.80 = 77,817.84 : x
2. Step 2: Convert to fraction form
   123,066.60/169,932.80 = 77,817.84/x
3. Step 3: Cross multiply
   123,066.60x = 169,932.80 × 77,817.84
4. Step 4: Simplify right side
   123,066.60x = 13,223,803,441.15
5. Step 5: Solve for x
   x = 13,223,803,441.15/123,066.60
6. Step 6: Final answer
   x = 107,452.42