Finding the Fourth Proportional to 456,161.31, 684,071.82 and 156,556.89

Step by Step Solution

1. Step 1: Write the proportion equation
   456,161.31 : 684,071.82 = 156,556.89 : x
2. Step 2: Convert to fraction form
   456,161.31/684,071.82 = 156,556.89/x
3. Step 3: Cross multiply
   456,161.31x = 684,071.82 × 156,556.89
4. Step 4: Simplify right side
   456,161.31x = 107,096,156,675.84
5. Step 5: Solve for x
   x = 107,096,156,675.84/456,161.31
6. Step 6: Final answer
   x = 234,776.94