Finding the Fourth Proportional to 382,055.72, 573,050.55 and 129,330.82

Step by Step Solution

1. Step 1: Write the proportion equation
   382,055.72 : 573,050.55 = 129,330.82 : x
2. Step 2: Convert to fraction form
   382,055.72/573,050.55 = 129,330.82/x
3. Step 3: Cross multiply
   382,055.72x = 573,050.55 × 129,330.82
4. Step 4: Simplify right side
   382,055.72x = 74,113,094,667.70
5. Step 5: Solve for x
   x = 74,113,094,667.70/382,055.72
6. Step 6: Final answer
   x = 193,985.04