Finding the Fourth Proportional to 342,947.69, 473,267.71 and 189,995.83

Step by Step Solution

1. Step 1: Write the proportion equation
   342,947.69 : 473,267.71 = 189,995.83 : x
2. Step 2: Convert to fraction form
   342,947.69/473,267.71 = 189,995.83/x
3. Step 3: Cross multiply
   342,947.69x = 473,267.71 × 189,995.83
4. Step 4: Simplify right side
   342,947.69x = 89,918,890,427.97
5. Step 5: Solve for x
   x = 89,918,890,427.97/342,947.69
6. Step 6: Final answer
   x = 262,194.19