Finding the Fourth Proportional to 33,131.42, 45,705.27 and 19,693.15

Step by Step Solution

1. Step 1: Write the proportion equation
   33,131.42 : 45,705.27 = 19,693.15 : x
2. Step 2: Convert to fraction form
   33,131.42/45,705.27 = 19,693.15/x
3. Step 3: Cross multiply
   33,131.42x = 45,705.27 × 19,693.15
4. Step 4: Simplify right side
   33,131.42x = 900,080,737.90
5. Step 5: Solve for x
   x = 900,080,737.90/33,131.42
6. Step 6: Final answer
   x = 27,166.98