Finding the Fourth Proportional to 52,516.98, 72,473.39 and 28,643.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,516.98 : 72,473.39 = 28,643.58 : x
2. Step 2: Convert to fraction form
   52,516.98/72,473.39 = 28,643.58/x
3. Step 3: Cross multiply
   52,516.98x = 72,473.39 × 28,643.58
4. Step 4: Simplify right side
   52,516.98x = 2,075,897,741.43
5. Step 5: Solve for x
   x = 2,075,897,741.43/52,516.98
6. Step 6: Final answer
   x = 39,528.12