Finding the Fourth Proportional to 343,401.06, 473,894.83 and 190,453.47

Step by Step Solution

1. Step 1: Write the proportion equation
   343,401.06 : 473,894.83 = 190,453.47 : x
2. Step 2: Convert to fraction form
   343,401.06/473,894.83 = 190,453.47/x
3. Step 3: Cross multiply
   343,401.06x = 473,894.83 × 190,453.47
4. Step 4: Simplify right side
   343,401.06x = 90,254,914,788.56
5. Step 5: Solve for x
   x = 90,254,914,788.56/343,401.06
6. Step 6: Final answer
   x = 262,826.55