Finding the Fourth Proportional to 46,991.31, 64,848.09 and 25,770.72

Step by Step Solution

1. Step 1: Write the proportion equation
   46,991.31 : 64,848.09 = 25,770.72 : x
2. Step 2: Convert to fraction form
   46,991.31/64,848.09 = 25,770.72/x
3. Step 3: Cross multiply
   46,991.31x = 64,848.09 × 25,770.72
4. Step 4: Simplify right side
   46,991.31x = 1,671,181,969.92
5. Step 5: Solve for x
   x = 1,671,181,969.92/46,991.31
6. Step 6: Final answer
   x = 35,563.64