Finding the Fourth Proportional to 113,898.78, 170,847.76 and 30,792.78

Step by Step Solution

1. Step 1: Write the proportion equation
   113,898.78 : 170,847.76 = 30,792.78 : x
2. Step 2: Convert to fraction form
   113,898.78/170,847.76 = 30,792.78/x
3. Step 3: Cross multiply
   113,898.78x = 170,847.76 × 30,792.78
4. Step 4: Simplify right side
   113,898.78x = 5,260,877,487.17
5. Step 5: Solve for x
   x = 5,260,877,487.17/113,898.78
6. Step 6: Final answer
   x = 46,189.06