Finding the Fourth Proportional to 42,030.16, 58,001.61 and 23,167.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,030.16 : 58,001.61 = 23,167.60 : x
2. Step 2: Convert to fraction form
   42,030.16/58,001.61 = 23,167.60/x
3. Step 3: Cross multiply
   42,030.16x = 58,001.61 × 23,167.60
4. Step 4: Simplify right side
   42,030.16x = 1,343,758,099.84
5. Step 5: Solve for x
   x = 1,343,758,099.84/42,030.16
6. Step 6: Final answer
   x = 31,971.28