Finding the Fourth Proportional to 185,180.84, 277,784.34 and 91,661.48

Step by Step Solution

1. Step 1: Write the proportion equation
   185,180.84 : 277,784.34 = 91,661.48 : x
2. Step 2: Convert to fraction form
   185,180.84/277,784.34 = 91,661.48/x
3. Step 3: Cross multiply
   185,180.84x = 277,784.34 × 91,661.48
4. Step 4: Simplify right side
   185,180.84x = 25,462,123,725.22
5. Step 5: Solve for x
   x = 25,462,123,725.22/185,180.84
6. Step 6: Final answer
   x = 137,498.69