Finding the Fourth Proportional to 58,677.72, 80,869.50 and 42,736.92

Step by Step Solution

1. Step 1: Write the proportion equation
   58,677.72 : 80,869.50 = 42,736.92 : x
2. Step 2: Convert to fraction form
   58,677.72/80,869.50 = 42,736.92/x
3. Step 3: Cross multiply
   58,677.72x = 80,869.50 × 42,736.92
4. Step 4: Simplify right side
   58,677.72x = 3,456,113,351.94
5. Step 5: Solve for x
   x = 3,456,113,351.94/58,677.72
6. Step 6: Final answer
   x = 58,899.93