Finding the Fourth Proportional to 136,183.84, 204,308.56 and 42,689.59

Step by Step Solution

1. Step 1: Write the proportion equation
   136,183.84 : 204,308.56 = 42,689.59 : x
2. Step 2: Convert to fraction form
   136,183.84/204,308.56 = 42,689.59/x
3. Step 3: Cross multiply
   136,183.84x = 204,308.56 × 42,689.59
4. Step 4: Simplify right side
   136,183.84x = 8,721,848,659.89
5. Step 5: Solve for x
   x = 8,721,848,659.89/136,183.84
6. Step 6: Final answer
   x = 64,044.67