Finding the Fourth Proportional to 191,797.04, 287,685.16 and 58,677.31

Step by Step Solution

1. Step 1: Write the proportion equation
   191,797.04 : 287,685.16 = 58,677.31 : x
2. Step 2: Convert to fraction form
   191,797.04/287,685.16 = 58,677.31/x
3. Step 3: Cross multiply
   191,797.04x = 287,685.16 × 58,677.31
4. Step 4: Simplify right side
   191,797.04x = 16,880,591,315.72
5. Step 5: Solve for x
   x = 16,880,591,315.72/191,797.04
6. Step 6: Final answer
   x = 88,012.78