Finding the Fourth Proportional to 376,250.82, 519,078.34 and 215,019.38

Step by Step Solution

1. Step 1: Write the proportion equation
   376,250.82 : 519,078.34 = 215,019.38 : x
2. Step 2: Convert to fraction form
   376,250.82/519,078.34 = 215,019.38/x
3. Step 3: Cross multiply
   376,250.82x = 519,078.34 × 215,019.38
4. Step 4: Simplify right side
   376,250.82x = 111,611,899,167.74
5. Step 5: Solve for x
   x = 111,611,899,167.74/376,250.82
6. Step 6: Final answer
   x = 296,642.27