Finding the Fourth Proportional to 191,384.91, 287,100.86 and 65,045.97

Step by Step Solution

1. Step 1: Write the proportion equation
   191,384.91 : 287,100.86 = 65,045.97 : x
2. Step 2: Convert to fraction form
   191,384.91/287,100.86 = 65,045.97/x
3. Step 3: Cross multiply
   191,384.91x = 287,100.86 × 65,045.97
4. Step 4: Simplify right side
   191,384.91x = 18,674,753,601.30
5. Step 5: Solve for x
   x = 18,674,753,601.30/191,384.91
6. Step 6: Final answer
   x = 97,576.94