Finding the Fourth Proportional to 583,404.10, 873,162.15 and 423,024.10

Step by Step Solution

1. Step 1: Write the proportion equation
   583,404.10 : 873,162.15 = 423,024.10 : x
2. Step 2: Convert to fraction form
   583,404.10/873,162.15 = 423,024.10/x
3. Step 3: Cross multiply
   583,404.10x = 873,162.15 × 423,024.10
4. Step 4: Simplify right side
   583,404.10x = 369,368,632,657.82
5. Step 5: Solve for x
   x = 369,368,632,657.82/583,404.10
6. Step 6: Final answer
   x = 633,126.56