Finding the Fourth Proportional to 136,051.89, 204,079.91 and 51,816.73

Step by Step Solution

1. Step 1: Write the proportion equation
   136,051.89 : 204,079.91 = 51,816.73 : x
2. Step 2: Convert to fraction form
   136,051.89/204,079.91 = 51,816.73/x
3. Step 3: Cross multiply
   136,051.89x = 204,079.91 × 51,816.73
4. Step 4: Simplify right side
   136,051.89x = 10,574,753,594.89
5. Step 5: Solve for x
   x = 10,574,753,594.89/136,051.89
6. Step 6: Final answer
   x = 77,725.89