Finding the Fourth Proportional to 82,427.68, 123,666.16 and 58,458.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,427.68 : 123,666.16 = 58,458.16 : x
2. Step 2: Convert to fraction form
   82,427.68/123,666.16 = 58,458.16/x
3. Step 3: Cross multiply
   82,427.68x = 123,666.16 × 58,458.16
4. Step 4: Simplify right side
   82,427.68x = 7,229,296,167.87
5. Step 5: Solve for x
   x = 7,229,296,167.87/82,427.68
6. Step 6: Final answer
   x = 87,704.71