Finding the Fourth Proportional to 52,846.01, 72,927.47 and 28,972.17

Step by Step Solution

1. Step 1: Write the proportion equation
   52,846.01 : 72,927.47 = 28,972.17 : x
2. Step 2: Convert to fraction form
   52,846.01/72,927.47 = 28,972.17/x
3. Step 3: Cross multiply
   52,846.01x = 72,927.47 × 28,972.17
4. Step 4: Simplify right side
   52,846.01x = 2,112,867,058.51
5. Step 5: Solve for x
   x = 2,112,867,058.51/52,846.01
6. Step 6: Final answer
   x = 39,981.58