Finding the Fourth Proportional to 52,333.16, 72,219.42 and 28,459.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,333.16 : 72,219.42 = 28,459.88 : x
2. Step 2: Convert to fraction form
   52,333.16/72,219.42 = 28,459.88/x
3. Step 3: Cross multiply
   52,333.16x = 72,219.42 × 28,459.88
4. Step 4: Simplify right side
   52,333.16x = 2,055,356,026.87
5. Step 5: Solve for x
   x = 2,055,356,026.87/52,333.16
6. Step 6: Final answer
   x = 39,274.45