Finding the Fourth Proportional to 137,796.88, 206,774.15 and 53,546.05

Step by Step Solution

1. Step 1: Write the proportion equation
   137,796.88 : 206,774.15 = 53,546.05 : x
2. Step 2: Convert to fraction form
   137,796.88/206,774.15 = 53,546.05/x
3. Step 3: Cross multiply
   137,796.88x = 206,774.15 × 53,546.05
4. Step 4: Simplify right side
   137,796.88x = 11,071,938,974.61
5. Step 5: Solve for x
   x = 11,071,938,974.61/137,796.88
6. Step 6: Final answer
   x = 80,349.71