Finding the Fourth Proportional to 52,303.42, 72,189.21 and 31,078.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,303.42 : 72,189.21 = 31,078.59 : x
2. Step 2: Convert to fraction form
   52,303.42/72,189.21 = 31,078.59/x
3. Step 3: Cross multiply
   52,303.42x = 72,189.21 × 31,078.59
4. Step 4: Simplify right side
   52,303.42x = 2,243,538,860.01
5. Step 5: Solve for x
   x = 2,243,538,860.01/52,303.42
6. Step 6: Final answer
   x = 42,894.69