Finding the Fourth Proportional to 676,149.69, 933,111.71 and 385,808.52

Step by Step Solution

1. Step 1: Write the proportion equation
   676,149.69 : 933,111.71 = 385,808.52 : x
2. Step 2: Convert to fraction form
   676,149.69/933,111.71 = 385,808.52/x
3. Step 3: Cross multiply
   676,149.69x = 933,111.71 × 385,808.52
4. Step 4: Simplify right side
   676,149.69x = 360,002,445,900.73
5. Step 5: Solve for x
   x = 360,002,445,900.73/676,149.69
6. Step 6: Final answer
   x = 532,430.10