Finding the Fourth Proportional to 689,683.25, 951,762.89 and 383,779.34

Step by Step Solution

1. Step 1: Write the proportion equation
   689,683.25 : 951,762.89 = 383,779.34 : x
2. Step 2: Convert to fraction form
   689,683.25/951,762.89 = 383,779.34/x
3. Step 3: Cross multiply
   689,683.25x = 951,762.89 × 383,779.34
4. Step 4: Simplify right side
   689,683.25x = 365,266,932,091.27
5. Step 5: Solve for x
   x = 365,266,932,091.27/689,683.25
6. Step 6: Final answer
   x = 529,615.49