Finding the Fourth Proportional to 52,796.18, 72,858.76 and 28,923.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,796.18 : 72,858.76 = 28,923.72 : x
2. Step 2: Convert to fraction form
   52,796.18/72,858.76 = 28,923.72/x
3. Step 3: Cross multiply
   52,796.18x = 72,858.76 × 28,923.72
4. Step 4: Simplify right side
   52,796.18x = 2,107,346,373.79
5. Step 5: Solve for x
   x = 2,107,346,373.79/52,796.18
6. Step 6: Final answer
   x = 39,914.75