Finding the Fourth Proportional to 52,633.08, 72,638.73 and 28,763.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,633.08 : 72,638.73 = 28,763.37 : x
2. Step 2: Convert to fraction form
   52,633.08/72,638.73 = 28,763.37/x
3. Step 3: Cross multiply
   52,633.08x = 72,638.73 × 28,763.37
4. Step 4: Simplify right side
   52,633.08x = 2,089,334,667.32
5. Step 5: Solve for x
   x = 2,089,334,667.32/52,633.08
6. Step 6: Final answer
   x = 39,696.23