Finding the Fourth Proportional to 137,671.81, 206,507.72 and 48,928.82

Step by Step Solution

1. Step 1: Write the proportion equation
   137,671.81 : 206,507.72 = 48,928.82 : x
2. Step 2: Convert to fraction form
   137,671.81/206,507.72 = 48,928.82/x
3. Step 3: Cross multiply
   137,671.81x = 206,507.72 × 48,928.82
4. Step 4: Simplify right side
   137,671.81x = 10,104,178,150.27
5. Step 5: Solve for x
   x = 10,104,178,150.27/137,671.81
6. Step 6: Final answer
   x = 73,393.23