Finding the Fourth Proportional to 52,255.68, 72,063.72 and 40,300.08

Step by Step Solution

1. Step 1: Write the proportion equation
   52,255.68 : 72,063.72 = 40,300.08 : x
2. Step 2: Convert to fraction form
   52,255.68/72,063.72 = 40,300.08/x
3. Step 3: Cross multiply
   52,255.68x = 72,063.72 × 40,300.08
4. Step 4: Simplify right side
   52,255.68x = 2,904,173,681.10
5. Step 5: Solve for x
   x = 2,904,173,681.10/52,255.68
6. Step 6: Final answer
   x = 55,576.23