Finding the Fourth Proportional to 123,820.05, 185,566.05 and 109,713.90

Step by Step Solution

1. Step 1: Write the proportion equation
   123,820.05 : 185,566.05 = 109,713.90 : x
2. Step 2: Convert to fraction form
   123,820.05/185,566.05 = 109,713.90/x
3. Step 3: Cross multiply
   123,820.05x = 185,566.05 × 109,713.90
4. Step 4: Simplify right side
   123,820.05x = 20,359,175,053.10
5. Step 5: Solve for x
   x = 20,359,175,053.10/123,820.05
6. Step 6: Final answer
   x = 164,425.51