Finding the Fourth Proportional to 137,111.73, 205,672.16 and 47,153.56

Step by Step Solution

1. Step 1: Write the proportion equation
   137,111.73 : 205,672.16 = 47,153.56 : x
2. Step 2: Convert to fraction form
   137,111.73/205,672.16 = 47,153.56/x
3. Step 3: Cross multiply
   137,111.73x = 205,672.16 × 47,153.56
4. Step 4: Simplify right side
   137,111.73x = 9,698,174,536.89
5. Step 5: Solve for x
   x = 9,698,174,536.89/137,111.73
6. Step 6: Final answer
   x = 70,731.91