Finding the Fourth Proportional to 64,970.59, 89,659.43 and 35,162.59

Step by Step Solution

1. Step 1: Write the proportion equation
   64,970.59 : 89,659.43 = 35,162.59 : x
2. Step 2: Convert to fraction form
   64,970.59/89,659.43 = 35,162.59/x
3. Step 3: Cross multiply
   64,970.59x = 89,659.43 × 35,162.59
4. Step 4: Simplify right side
   64,970.59x = 3,152,657,600.91
5. Step 5: Solve for x
   x = 3,152,657,600.91/64,970.59
6. Step 6: Final answer
   x = 48,524.38