Finding the Fourth Proportional to 46,539, 64,197.72 and 28,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,539 : 64,197.72 = 28,630.50 : x
2. Step 2: Convert to fraction form
   46,539/64,197.72 = 28,630.50/x
3. Step 3: Cross multiply
   46,539x = 64,197.72 × 28,630.50
4. Step 4: Simplify right side
   46,539x = 1,838,012,822.46
5. Step 5: Solve for x
   x = 1,838,012,822.46/46,539
6. Step 6: Final answer
   x = 39,494.03