Finding the Fourth Proportional to 123,820.68, 185,757.69 and 38,429.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,820.68 : 185,757.69 = 38,429.76 : x
2. Step 2: Convert to fraction form
   123,820.68/185,757.69 = 38,429.76/x
3. Step 3: Cross multiply
   123,820.68x = 185,757.69 × 38,429.76
4. Step 4: Simplify right side
   123,820.68x = 7,138,623,444.85
5. Step 5: Solve for x
   x = 7,138,623,444.85/123,820.68
6. Step 6: Final answer
   x = 57,652.92