Finding the Fourth Proportional to 191,369.82, 287,066.49 and 58,259.97

Step by Step Solution

1. Step 1: Write the proportion equation
   191,369.82 : 287,066.49 = 58,259.97 : x
2. Step 2: Convert to fraction form
   191,369.82/287,066.49 = 58,259.97/x
3. Step 3: Cross multiply
   191,369.82x = 287,066.49 × 58,259.97
4. Step 4: Simplify right side
   191,369.82x = 16,724,485,095.41
5. Step 5: Solve for x
   x = 16,724,485,095.41/191,369.82
6. Step 6: Final answer
   x = 87,393.54