Finding the Fourth Proportional to 510,422.86, 704,424.23 and 295,566.72

Step by Step Solution

1. Step 1: Write the proportion equation
   510,422.86 : 704,424.23 = 295,566.72 : x
2. Step 2: Convert to fraction form
   510,422.86/704,424.23 = 295,566.72/x
3. Step 3: Cross multiply
   510,422.86x = 704,424.23 × 295,566.72
4. Step 4: Simplify right side
   510,422.86x = 208,204,359,149.63
5. Step 5: Solve for x
   x = 208,204,359,149.63/510,422.86
6. Step 6: Final answer
   x = 407,905.63