Finding the Fourth Proportional to 311,897.42, 430,418.72 and 182,810.15

Step by Step Solution

1. Step 1: Write the proportion equation
   311,897.42 : 430,418.72 = 182,810.15 : x
2. Step 2: Convert to fraction form
   311,897.42/430,418.72 = 182,810.15/x
3. Step 3: Cross multiply
   311,897.42x = 430,418.72 × 182,810.15
4. Step 4: Simplify right side
   311,897.42x = 78,684,909,851.96
5. Step 5: Solve for x
   x = 78,684,909,851.96/311,897.42
6. Step 6: Final answer
   x = 252,278.17