Finding the Fourth Proportional to 277,091.82, 381,821.76 and 191,077.02

Step by Step Solution

1. Step 1: Write the proportion equation
   277,091.82 : 381,821.76 = 191,077.02 : x
2. Step 2: Convert to fraction form
   277,091.82/381,821.76 = 191,077.02/x
3. Step 3: Cross multiply
   277,091.82x = 381,821.76 × 191,077.02
4. Step 4: Simplify right side
   277,091.82x = 72,957,364,071.96
5. Step 5: Solve for x
   x = 72,957,364,071.96/277,091.82
6. Step 6: Final answer
   x = 263,296.71