Finding the Fourth Proportional to 771,667.65, 1,064,546.82 and 499,826.25

Step by Step Solution

1. Step 1: Write the proportion equation
   771,667.65 : 1,064,546.82 = 499,826.25 : x
2. Step 2: Convert to fraction form
   771,667.65/1,064,546.82 = 499,826.25/x
3. Step 3: Cross multiply
   771,667.65x = 1,064,546.82 × 499,826.25
4. Step 4: Simplify right side
   771,667.65x = 532,088,444,990.03
5. Step 5: Solve for x
   x = 532,088,444,990.03/771,667.65
6. Step 6: Final answer
   x = 689,530.58