Finding the Fourth Proportional to 58,031.32, 86,930.34 and 30,271

Step by Step Solution

1. Step 1: Write the proportion equation
   58,031.32 : 86,930.34 = 30,271 : x
2. Step 2: Convert to fraction form
   58,031.32/86,930.34 = 30,271/x
3. Step 3: Cross multiply
   58,031.32x = 86,930.34 × 30,271
4. Step 4: Simplify right side
   58,031.32x = 2,631,468,322.14
5. Step 5: Solve for x
   x = 2,631,468,322.14/58,031.32
6. Step 6: Final answer
   x = 45,345.66