Finding the Fourth Proportional to 771,124.24, 1,064,375.40 and 469,864.72

Step by Step Solution

1. Step 1: Write the proportion equation
   771,124.24 : 1,064,375.40 = 469,864.72 : x
2. Step 2: Convert to fraction form
   771,124.24/1,064,375.40 = 469,864.72/x
3. Step 3: Cross multiply
   771,124.24x = 1,064,375.40 × 469,864.72
4. Step 4: Simplify right side
   771,124.24x = 500,112,449,295.89
5. Step 5: Solve for x
   x = 500,112,449,295.89/771,124.24
6. Step 6: Final answer
   x = 648,549.77