Finding the Fourth Proportional to 39,738.59, 59,642.49 and 21,032.06

Step by Step Solution

1. Step 1: Write the proportion equation
   39,738.59 : 59,642.49 = 21,032.06 : x
2. Step 2: Convert to fraction form
   39,738.59/59,642.49 = 21,032.06/x
3. Step 3: Cross multiply
   39,738.59x = 59,642.49 × 21,032.06
4. Step 4: Simplify right side
   39,738.59x = 1,254,404,428.23
5. Step 5: Solve for x
   x = 1,254,404,428.23/39,738.59
6. Step 6: Final answer
   x = 31,566.41