Finding the Fourth Proportional to 483,123.94, 666,731.59 and 268,263.86

Step by Step Solution

1. Step 1: Write the proportion equation
   483,123.94 : 666,731.59 = 268,263.86 : x
2. Step 2: Convert to fraction form
   483,123.94/666,731.59 = 268,263.86/x
3. Step 3: Cross multiply
   483,123.94x = 666,731.59 × 268,263.86
4. Step 4: Simplify right side
   483,123.94x = 178,859,985,913.02
5. Step 5: Solve for x
   x = 178,859,985,913.02/483,123.94
6. Step 6: Final answer
   x = 370,215.53