Finding the Fourth Proportional to 64,570.39, 89,106.56 and 35,889.32

Step by Step Solution

1. Step 1: Write the proportion equation
   64,570.39 : 89,106.56 = 35,889.32 : x
2. Step 2: Convert to fraction form
   64,570.39/89,106.56 = 35,889.32/x
3. Step 3: Cross multiply
   64,570.39x = 89,106.56 × 35,889.32
4. Step 4: Simplify right side
   64,570.39x = 3,197,973,296.37
5. Step 5: Solve for x
   x = 3,197,973,296.37/64,570.39
6. Step 6: Final answer
   x = 49,526.93