Finding the Fourth Proportional to 376,184.18, 519,134.18 and 215,042.82

Step by Step Solution

1. Step 1: Write the proportion equation
   376,184.18 : 519,134.18 = 215,042.82 : x
2. Step 2: Convert to fraction form
   376,184.18/519,134.18 = 215,042.82/x
3. Step 3: Cross multiply
   376,184.18x = 519,134.18 × 215,042.82
4. Step 4: Simplify right side
   376,184.18x = 111,636,078,025.59
5. Step 5: Solve for x
   x = 111,636,078,025.59/376,184.18
6. Step 6: Final answer
   x = 296,759.10