Finding the Fourth Proportional to 52,645.42, 72,603.65 and 43,678.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,645.42 : 72,603.65 = 43,678.72 : x
2. Step 2: Convert to fraction form
   52,645.42/72,603.65 = 43,678.72/x
3. Step 3: Cross multiply
   52,645.42x = 72,603.65 × 43,678.72
4. Step 4: Simplify right side
   52,645.42x = 3,171,234,499.33
5. Step 5: Solve for x
   x = 3,171,234,499.33/52,645.42
6. Step 6: Final answer
   x = 60,237.61