Finding the Fourth Proportional to 200,401.34, 276,555.69 and 136,737.77

Step by Step Solution

1. Step 1: Write the proportion equation
   200,401.34 : 276,555.69 = 136,737.77 : x
2. Step 2: Convert to fraction form
   200,401.34/276,555.69 = 136,737.77/x
3. Step 3: Cross multiply
   200,401.34x = 276,555.69 × 136,737.77
4. Step 4: Simplify right side
   200,401.34x = 37,815,606,948.63
5. Step 5: Solve for x
   x = 37,815,606,948.63/200,401.34
6. Step 6: Final answer
   x = 188,699.38