Finding the Fourth Proportional to 614,019.42, 921,127.53 and 259,085.73

Step by Step Solution

1. Step 1: Write the proportion equation
   614,019.42 : 921,127.53 = 259,085.73 : x
2. Step 2: Convert to fraction form
   614,019.42/921,127.53 = 259,085.73/x
3. Step 3: Cross multiply
   614,019.42x = 921,127.53 × 259,085.73
4. Step 4: Simplify right side
   614,019.42x = 238,650,998,533.15
5. Step 5: Solve for x
   x = 238,650,998,533.15/614,019.42
6. Step 6: Final answer
   x = 388,670.11