Finding the Fourth Proportional to 428,981.94, 592,065.72 and 238,056.84

Step by Step Solution

1. Step 1: Write the proportion equation
   428,981.94 : 592,065.72 = 238,056.84 : x
2. Step 2: Convert to fraction form
   428,981.94/592,065.72 = 238,056.84/x
3. Step 3: Cross multiply
   428,981.94x = 592,065.72 × 238,056.84
4. Step 4: Simplify right side
   428,981.94x = 140,945,294,375.53
5. Step 5: Solve for x
   x = 140,945,294,375.53/428,981.94
6. Step 6: Final answer
   x = 328,557.64