Finding the Fourth Proportional to 64,784.02, 89,371.40 and 37,910.05

Step by Step Solution

1. Step 1: Write the proportion equation
   64,784.02 : 89,371.40 = 37,910.05 : x
2. Step 2: Convert to fraction form
   64,784.02/89,371.40 = 37,910.05/x
3. Step 3: Cross multiply
   64,784.02x = 89,371.40 × 37,910.05
4. Step 4: Simplify right side
   64,784.02x = 3,388,073,795.71
5. Step 5: Solve for x
   x = 3,388,073,795.71/64,784.02
6. Step 6: Final answer
   x = 52,297.99