Finding the Fourth Proportional to 35,973.02, 49,641.80 and 20,864.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,973.02 : 49,641.80 = 20,864.72 : x
2. Step 2: Convert to fraction form
   35,973.02/49,641.80 = 20,864.72/x
3. Step 3: Cross multiply
   35,973.02x = 49,641.80 × 20,864.72
4. Step 4: Simplify right side
   35,973.02x = 1,035,762,257.30
5. Step 5: Solve for x
   x = 1,035,762,257.30/35,973.02
6. Step 6: Final answer
   x = 28,792.75