Finding the Fourth Proportional to 64,730.52, 89,328.14 and 37,878.19

Step by Step Solution

1. Step 1: Write the proportion equation
   64,730.52 : 89,328.14 = 37,878.19 : x
2. Step 2: Convert to fraction form
   64,730.52/89,328.14 = 37,878.19/x
3. Step 3: Cross multiply
   64,730.52x = 89,328.14 × 37,878.19
4. Step 4: Simplify right side
   64,730.52x = 3,383,588,259.27
5. Step 5: Solve for x
   x = 3,383,588,259.27/64,730.52
6. Step 6: Final answer
   x = 52,271.92