Finding the Fourth Proportional to 64,884.51, 89,540.37 and 35,076.51

Step by Step Solution

1. Step 1: Write the proportion equation
   64,884.51 : 89,540.37 = 35,076.51 : x
2. Step 2: Convert to fraction form
   64,884.51/89,540.37 = 35,076.51/x
3. Step 3: Cross multiply
   64,884.51x = 89,540.37 × 35,076.51
4. Step 4: Simplify right side
   64,884.51x = 3,140,763,683.71
5. Step 5: Solve for x
   x = 3,140,763,683.71/64,884.51
6. Step 6: Final answer
   x = 48,405.45