Finding the Fourth Proportional to 42,090.72, 58,106.22 and 26,180.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,090.72 : 58,106.22 = 26,180.28 : x
2. Step 2: Convert to fraction form
   42,090.72/58,106.22 = 26,180.28/x
3. Step 3: Cross multiply
   42,090.72x = 58,106.22 × 26,180.28
4. Step 4: Simplify right side
   42,090.72x = 1,521,237,109.34
5. Step 5: Solve for x
   x = 1,521,237,109.34/42,090.72
6. Step 6: Final answer
   x = 36,141.86