Finding the Fourth Proportional to 42,170.40, 58,191.69 and 23,307.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,170.40 : 58,191.69 = 23,307.51 : x
2. Step 2: Convert to fraction form
   42,170.40/58,191.69 = 23,307.51/x
3. Step 3: Cross multiply
   42,170.40x = 58,191.69 × 23,307.51
4. Step 4: Simplify right side
   42,170.40x = 1,356,303,396.59
5. Step 5: Solve for x
   x = 1,356,303,396.59/42,170.40
6. Step 6: Final answer
   x = 32,162.45