Finding the Fourth Proportional to 191,726.87, 287,591.00 and 58,606.61

Step by Step Solution

1. Step 1: Write the proportion equation
   191,726.87 : 287,591.00 = 58,606.61 : x
2. Step 2: Convert to fraction form
   191,726.87/287,591.00 = 58,606.61/x
3. Step 3: Cross multiply
   191,726.87x = 287,591.00 × 58,606.61
4. Step 4: Simplify right side
   191,726.87x = 16,854,731,845.52
5. Step 5: Solve for x
   x = 16,854,731,845.52/191,726.87
6. Step 6: Final answer
   x = 87,910.12