Finding the Fourth Proportional to 104,906.72, 157,152.72 and 49,541.60

Step by Step Solution

1. Step 1: Write the proportion equation
   104,906.72 : 157,152.72 = 49,541.60 : x
2. Step 2: Convert to fraction form
   104,906.72/157,152.72 = 49,541.60/x
3. Step 3: Cross multiply
   104,906.72x = 157,152.72 × 49,541.60
4. Step 4: Simplify right side
   104,906.72x = 7,785,597,193.15
5. Step 5: Solve for x
   x = 7,785,597,193.15/104,906.72
6. Step 6: Final answer
   x = 74,214.48