Finding the Fourth Proportional to 52,848.76, 72,931.27 and 28,974.93

Step by Step Solution

1. Step 1: Write the proportion equation
   52,848.76 : 72,931.27 = 28,974.93 : x
2. Step 2: Convert to fraction form
   52,848.76/72,931.27 = 28,974.93/x
3. Step 3: Cross multiply
   52,848.76x = 72,931.27 × 28,974.93
4. Step 4: Simplify right side
   52,848.76x = 2,113,178,443.06
5. Step 5: Solve for x
   x = 2,113,178,443.06/52,848.76
6. Step 6: Final answer
   x = 39,985.39