Finding the Fourth Proportional to 52,637.78, 72,641.93 and 28,766.00

Step by Step Solution

1. Step 1: Write the proportion equation
   52,637.78 : 72,641.93 = 28,766.00 : x
2. Step 2: Convert to fraction form
   52,637.78/72,641.93 = 28,766.00/x
3. Step 3: Cross multiply
   52,637.78x = 72,641.93 × 28,766.00
4. Step 4: Simplify right side
   52,637.78x = 2,089,617,251.34
5. Step 5: Solve for x
   x = 2,089,617,251.34/52,637.78
6. Step 6: Final answer
   x = 39,698.05