Finding the Fourth Proportional to 376,519.34, 519,468.72 and 215,260.22

Step by Step Solution

1. Step 1: Write the proportion equation
   376,519.34 : 519,468.72 = 215,260.22 : x
2. Step 2: Convert to fraction form
   376,519.34/519,468.72 = 215,260.22/x
3. Step 3: Cross multiply
   376,519.34x = 519,468.72 × 215,260.22
4. Step 4: Simplify right side
   376,519.34x = 111,820,950,950.32
5. Step 5: Solve for x
   x = 111,820,950,950.32/376,519.34
6. Step 6: Final answer
   x = 296,985.94