Finding the Fourth Proportional to 936,978.30, 1,293,014.61 and 507,254.94

Step by Step Solution

1. Step 1: Write the proportion equation
   936,978.30 : 1,293,014.61 = 507,254.94 : x
2. Step 2: Convert to fraction form
   936,978.30/1,293,014.61 = 507,254.94/x
3. Step 3: Cross multiply
   936,978.30x = 1,293,014.61 × 507,254.94
4. Step 4: Simplify right side
   936,978.30x = 655,888,048,414.67
5. Step 5: Solve for x
   x = 655,888,048,414.67/936,978.30
6. Step 6: Final answer
   x = 700,003.46