Finding the Fourth Proportional to 380,471.61, 570,714.69 and 124,304.89

Step by Step Solution

1. Step 1: Write the proportion equation
   380,471.61 : 570,714.69 = 124,304.89 : x
2. Step 2: Convert to fraction form
   380,471.61/570,714.69 = 124,304.89/x
3. Step 3: Cross multiply
   380,471.61x = 570,714.69 × 124,304.89
4. Step 4: Simplify right side
   380,471.61x = 70,942,626,761.83
5. Step 5: Solve for x
   x = 70,942,626,761.83/380,471.61
6. Step 6: Final answer
   x = 186,459.71