Finding the Fourth Proportional to 42,758.82, 64,085.63 and 23,999.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,758.82 : 64,085.63 = 23,999.49 : x
2. Step 2: Convert to fraction form
   42,758.82/64,085.63 = 23,999.49/x
3. Step 3: Cross multiply
   42,758.82x = 64,085.63 × 23,999.49
4. Step 4: Simplify right side
   42,758.82x = 1,538,022,316.33
5. Step 5: Solve for x
   x = 1,538,022,316.33/42,758.82
6. Step 6: Final answer
   x = 35,969.71