Finding the Fourth Proportional to 42,189.51, 58,196.07 and 27,849.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,189.51 : 58,196.07 = 27,849.39 : x
2. Step 2: Convert to fraction form
   42,189.51/58,196.07 = 27,849.39/x
3. Step 3: Cross multiply
   42,189.51x = 58,196.07 × 27,849.39
4. Step 4: Simplify right side
   42,189.51x = 1,620,725,322.69
5. Step 5: Solve for x
   x = 1,620,725,322.69/42,189.51
6. Step 6: Final answer
   x = 38,415.36