Finding the Fourth Proportional to 42,261.33, 58,321.53 and 23,141.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,261.33 : 58,321.53 = 23,141.91 : x
2. Step 2: Convert to fraction form
   42,261.33/58,321.53 = 23,141.91/x
3. Step 3: Cross multiply
   42,261.33x = 58,321.53 × 23,141.91
4. Step 4: Simplify right side
   42,261.33x = 1,349,671,598.32
5. Step 5: Solve for x
   x = 1,349,671,598.32/42,261.33
6. Step 6: Final answer
   x = 31,936.33