Finding the Fourth Proportional to 42,172.37, 58,199.10 and 23,053.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,172.37 : 58,199.10 = 23,053.20 : x
2. Step 2: Convert to fraction form
   42,172.37/58,199.10 = 23,053.20/x
3. Step 3: Cross multiply
   42,172.37x = 58,199.10 × 23,053.20
4. Step 4: Simplify right side
   42,172.37x = 1,341,675,492.12
5. Step 5: Solve for x
   x = 1,341,675,492.12/42,172.37
6. Step 6: Final answer
   x = 31,814.09