Finding the Fourth Proportional to 64,835.58, 89,481.87 and 37,988.81

Step by Step Solution

1. Step 1: Write the proportion equation
   64,835.58 : 89,481.87 = 37,988.81 : x
2. Step 2: Convert to fraction form
   64,835.58/89,481.87 = 37,988.81/x
3. Step 3: Cross multiply
   64,835.58x = 89,481.87 × 37,988.81
4. Step 4: Simplify right side
   64,835.58x = 3,399,309,310.47
5. Step 5: Solve for x
   x = 3,399,309,310.47/64,835.58
6. Step 6: Final answer
   x = 52,429.69