Finding the Fourth Proportional to 42,686.55, 58,910.70 and 23,570.01

Step by Step Solution

1. Step 1: Write the proportion equation
   42,686.55 : 58,910.70 = 23,570.01 : x
2. Step 2: Convert to fraction form
   42,686.55/58,910.70 = 23,570.01/x
3. Step 3: Cross multiply
   42,686.55x = 58,910.70 × 23,570.01
4. Step 4: Simplify right side
   42,686.55x = 1,388,525,788.11
5. Step 5: Solve for x
   x = 1,388,525,788.11/42,686.55
6. Step 6: Final answer
   x = 32,528.41