Finding the Fourth Proportional to 42,079.69, 58,065.93 and 23,215.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,079.69 : 58,065.93 = 23,215.60 : x
2. Step 2: Convert to fraction form
   42,079.69/58,065.93 = 23,215.60/x
3. Step 3: Cross multiply
   42,079.69x = 58,065.93 × 23,215.60
4. Step 4: Simplify right side
   42,079.69x = 1,348,035,404.51
5. Step 5: Solve for x
   x = 1,348,035,404.51/42,079.69
6. Step 6: Final answer
   x = 32,035.30