Finding the Fourth Proportional to 52,841.02, 72,918.91 and 28,967.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,841.02 : 72,918.91 = 28,967.18 : x
2. Step 2: Convert to fraction form
   52,841.02/72,918.91 = 28,967.18/x
3. Step 3: Cross multiply
   52,841.02x = 72,918.91 × 28,967.18
4. Step 4: Simplify right side
   52,841.02x = 2,112,255,191.37
5. Step 5: Solve for x
   x = 2,112,255,191.37/52,841.02
6. Step 6: Final answer
   x = 39,973.78