Finding the Fourth Proportional to 42,238.76, 58,272.93 and 27,129.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,238.76 : 58,272.93 = 27,129.33 : x
2. Step 2: Convert to fraction form
   42,238.76/58,272.93 = 27,129.33/x
3. Step 3: Cross multiply
   42,238.76x = 58,272.93 × 27,129.33
4. Step 4: Simplify right side
   42,238.76x = 1,580,905,548.04
5. Step 5: Solve for x
   x = 1,580,905,548.04/42,238.76
6. Step 6: Final answer
   x = 37,427.84