Finding the Fourth Proportional to 52,848.78, 72,927.72 and 28,970.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,848.78 : 72,927.72 = 28,970.52 : x
2. Step 2: Convert to fraction form
   52,848.78/72,927.72 = 28,970.52/x
3. Step 3: Cross multiply
   52,848.78x = 72,927.72 × 28,970.52
4. Step 4: Simplify right side
   52,848.78x = 2,112,753,970.81
5. Step 5: Solve for x
   x = 2,112,753,970.81/52,848.78
6. Step 6: Final answer
   x = 39,977.35