Finding the Fourth Proportional to 42,190.62, 58,221 and 23,071.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,190.62 : 58,221 = 23,071.38 : x
2. Step 2: Convert to fraction form
   42,190.62/58,221 = 23,071.38/x
3. Step 3: Cross multiply
   42,190.62x = 58,221 × 23,071.38
4. Step 4: Simplify right side
   42,190.62x = 1,343,238,814.98
5. Step 5: Solve for x
   x = 1,343,238,814.98/42,190.62
6. Step 6: Final answer
   x = 31,837.38