Finding the Fourth Proportional to 33,142.50, 45,726.93 and 19,707.03

Step by Step Solution

1. Step 1: Write the proportion equation
   33,142.50 : 45,726.93 = 19,707.03 : x
2. Step 2: Convert to fraction form
   33,142.50/45,726.93 = 19,707.03/x
3. Step 3: Cross multiply
   33,142.50x = 45,726.93 × 19,707.03
4. Step 4: Simplify right side
   33,142.50x = 901,141,981.32
5. Step 5: Solve for x
   x = 901,141,981.32/33,142.50
6. Step 6: Final answer
   x = 27,189.92