Finding the Fourth Proportional to 53,620.09, 73,989.72 and 29,740.78

Step by Step Solution

1. Step 1: Write the proportion equation
   53,620.09 : 73,989.72 = 29,740.78 : x
2. Step 2: Convert to fraction form
   53,620.09/73,989.72 = 29,740.78/x
3. Step 3: Cross multiply
   53,620.09x = 73,989.72 × 29,740.78
4. Step 4: Simplify right side
   53,620.09x = 2,200,511,984.78
5. Step 5: Solve for x
   x = 2,200,511,984.78/53,620.09
6. Step 6: Final answer
   x = 41,038.95