Finding the Fourth Proportional to 503,753.16, 755,682.72 and 290,516.22

Step by Step Solution

1. Step 1: Write the proportion equation
   503,753.16 : 755,682.72 = 290,516.22 : x
2. Step 2: Convert to fraction form
   503,753.16/755,682.72 = 290,516.22/x
3. Step 3: Cross multiply
   503,753.16x = 755,682.72 × 290,516.22
4. Step 4: Simplify right side
   503,753.16x = 219,538,087,333.72
5. Step 5: Solve for x
   x = 219,538,087,333.72/503,753.16
6. Step 6: Final answer
   x = 435,804.88