Finding the Fourth Proportional to 191,792.96, 287,679 and 58,673.21

Step by Step Solution

1. Step 1: Write the proportion equation
   191,792.96 : 287,679 = 58,673.21 : x
2. Step 2: Convert to fraction form
   191,792.96/287,679 = 58,673.21/x
3. Step 3: Cross multiply
   191,792.96x = 287,679 × 58,673.21
4. Step 4: Simplify right side
   191,792.96x = 16,879,050,379.59
5. Step 5: Solve for x
   x = 16,879,050,379.59/191,792.96
6. Step 6: Final answer
   x = 88,006.62