Finding the Fourth Proportional to 52,848.82, 72,930.72 and 28,975.51

Step by Step Solution

1. Step 1: Write the proportion equation
   52,848.82 : 72,930.72 = 28,975.51 : x
2. Step 2: Convert to fraction form
   52,848.82/72,930.72 = 28,975.51/x
3. Step 3: Cross multiply
   52,848.82x = 72,930.72 × 28,975.51
4. Step 4: Simplify right side
   52,848.82x = 2,113,204,806.67
5. Step 5: Solve for x
   x = 2,113,204,806.67/52,848.82
6. Step 6: Final answer
   x = 39,985.85