Finding the Fourth Proportional to 42,157.40, 58,176.70 and 23,294.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,157.40 : 58,176.70 = 23,294.12 : x
2. Step 2: Convert to fraction form
   42,157.40/58,176.70 = 23,294.12/x
3. Step 3: Cross multiply
   42,157.40x = 58,176.70 × 23,294.12
4. Step 4: Simplify right side
   42,157.40x = 1,355,174,681.89
5. Step 5: Solve for x
   x = 1,355,174,681.89/42,157.40
6. Step 6: Final answer
   x = 32,145.60