Finding the Fourth Proportional to 769,081.91, 1,061,242.53 and 424,897.31

Step by Step Solution

1. Step 1: Write the proportion equation
   769,081.91 : 1,061,242.53 = 424,897.31 : x
2. Step 2: Convert to fraction form
   769,081.91/1,061,242.53 = 424,897.31/x
3. Step 3: Cross multiply
   769,081.91x = 1,061,242.53 × 424,897.31
4. Step 4: Simplify right side
   769,081.91x = 450,919,097,314.34
5. Step 5: Solve for x
   x = 450,919,097,314.34/769,081.91
6. Step 6: Final answer
   x = 586,308.29