Finding the Fourth Proportional to 64,572.51, 89,111.71 and 35,500.52

Step by Step Solution

1. Step 1: Write the proportion equation
   64,572.51 : 89,111.71 = 35,500.52 : x
2. Step 2: Convert to fraction form
   64,572.51/89,111.71 = 35,500.52/x
3. Step 3: Cross multiply
   64,572.51x = 89,111.71 × 35,500.52
4. Step 4: Simplify right side
   64,572.51x = 3,163,512,177.12
5. Step 5: Solve for x
   x = 3,163,512,177.12/64,572.51
6. Step 6: Final answer
   x = 48,991.62