Finding the Fourth Proportional to 345,483.94, 476,748.17 and 190,404.46

Step by Step Solution

1. Step 1: Write the proportion equation
   345,483.94 : 476,748.17 = 190,404.46 : x
2. Step 2: Convert to fraction form
   345,483.94/476,748.17 = 190,404.46/x
3. Step 3: Cross multiply
   345,483.94x = 476,748.17 × 190,404.46
4. Step 4: Simplify right side
   345,483.94x = 90,774,976,912.82
5. Step 5: Solve for x
   x = 90,774,976,912.82/345,483.94
6. Step 6: Final answer
   x = 262,747.31