Finding the Fourth Proportional to 72,051.73, 99,431 and 41,844.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,051.73 : 99,431 = 41,844.47 : x
2. Step 2: Convert to fraction form
   72,051.73/99,431 = 41,844.47/x
3. Step 3: Cross multiply
   72,051.73x = 99,431 × 41,844.47
4. Step 4: Simplify right side
   72,051.73x = 4,160,637,496.57
5. Step 5: Solve for x
   x = 4,160,637,496.57/72,051.73
6. Step 6: Final answer
   x = 57,745.14