Finding the Fourth Proportional to 154,531.83, 231,761.34 and 42,185.34

Step by Step Solution

1. Step 1: Write the proportion equation
   154,531.83 : 231,761.34 = 42,185.34 : x
2. Step 2: Convert to fraction form
   154,531.83/231,761.34 = 42,185.34/x
3. Step 3: Cross multiply
   154,531.83x = 231,761.34 × 42,185.34
4. Step 4: Simplify right side
   154,531.83x = 9,776,930,926.76
5. Step 5: Solve for x
   x = 9,776,930,926.76/154,531.83
6. Step 6: Final answer
   x = 63,268.07