Finding the Fourth Proportional to 852,499,856.96, 1,176,449,788.32 and 461,359,280.96

Step by Step Solution

1. Step 1: Write the proportion equation
   852,499,856.96 : 1,176,449,788.32 = 461,359,280.96 : x
2. Step 2: Convert to fraction form
   852,499,856.96/1,176,449,788.32 = 461,359,280.96/x
3. Step 3: Cross multiply
   852,499,856.96x = 1,176,449,788.32 × 461,359,280.96
4. Step 4: Simplify right side
   852,499,856.96x = 542,766,028,424,859,328
5. Step 5: Solve for x
   x = 542,766,028,424,859,328/852,499,856.96
6. Step 6: Final answer
   x = 636,675,799.99