Finding the Fourth Proportional to 1,077,164.72, 1,615,571.82 and 508,544.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,164.72 : 1,615,571.82 = 508,544.72 : x
2. Step 2: Convert to fraction form
   1,077,164.72/1,615,571.82 = 508,544.72/x
3. Step 3: Cross multiply
   1,077,164.72x = 1,615,571.82 × 508,544.72
4. Step 4: Simplify right side
   1,077,164.72x = 821,590,518,841.79
5. Step 5: Solve for x
   x = 821,590,518,841.79/1,077,164.72
6. Step 6: Final answer
   x = 762,734.34