Finding the Fourth Proportional to 52,453.64, 72,384.00 and 28,580.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,453.64 : 72,384.00 = 28,580.50 : x
2. Step 2: Convert to fraction form
   52,453.64/72,384.00 = 28,580.50/x
3. Step 3: Cross multiply
   52,453.64x = 72,384.00 × 28,580.50
4. Step 4: Simplify right side
   52,453.64x = 2,068,770,407.18
5. Step 5: Solve for x
   x = 2,068,770,407.18/52,453.64
6. Step 6: Final answer
   x = 39,439.98