Finding the Fourth Proportional to 58,687.72, 80,883.28 and 42,746.92

Step by Step Solution

1. Step 1: Write the proportion equation
   58,687.72 : 80,883.28 = 42,746.92 : x
2. Step 2: Convert to fraction form
   58,687.72/80,883.28 = 42,746.92/x
3. Step 3: Cross multiply
   58,687.72x = 80,883.28 × 42,746.92
4. Step 4: Simplify right side
   58,687.72x = 3,457,511,099.50
5. Step 5: Solve for x
   x = 3,457,511,099.50/58,687.72
6. Step 6: Final answer
   x = 58,913.71