Finding the Fourth Proportional to 614,667.61, 921,475.52 and 235,860.18

Step by Step Solution

1. Step 1: Write the proportion equation
   614,667.61 : 921,475.52 = 235,860.18 : x
2. Step 2: Convert to fraction form
   614,667.61/921,475.52 = 235,860.18/x
3. Step 3: Cross multiply
   614,667.61x = 921,475.52 × 235,860.18
4. Step 4: Simplify right side
   614,667.61x = 217,339,380,190.73
5. Step 5: Solve for x
   x = 217,339,380,190.73/614,667.61
6. Step 6: Final answer
   x = 353,588.47