Finding the Fourth Proportional to 345,031.85, 476,157.89 and 192,076.31

Step by Step Solution

1. Step 1: Write the proportion equation
   345,031.85 : 476,157.89 = 192,076.31 : x
2. Step 2: Convert to fraction form
   345,031.85/476,157.89 = 192,076.31/x
3. Step 3: Cross multiply
   345,031.85x = 476,157.89 × 192,076.31
4. Step 4: Simplify right side
   345,031.85x = 91,458,650,488.59
5. Step 5: Solve for x
   x = 91,458,650,488.59/345,031.85
6. Step 6: Final answer
   x = 265,073.07