Finding the Fourth Proportional to 33,130.42, 45,703.89 and 19,692.15

Step by Step Solution

1. Step 1: Write the proportion equation
   33,130.42 : 45,703.89 = 19,692.15 : x
2. Step 2: Convert to fraction form
   33,130.42/45,703.89 = 19,692.15/x
3. Step 3: Cross multiply
   33,130.42x = 45,703.89 × 19,692.15
4. Step 4: Simplify right side
   33,130.42x = 900,007,857.46
5. Step 5: Solve for x
   x = 900,007,857.46/33,130.42
6. Step 6: Final answer
   x = 27,165.60