Finding the Fourth Proportional to 37,697.84, 52,019.34 and 21,780.08

Step by Step Solution

1. Step 1: Write the proportion equation
   37,697.84 : 52,019.34 = 21,780.08 : x
2. Step 2: Convert to fraction form
   37,697.84/52,019.34 = 21,780.08/x
3. Step 3: Cross multiply
   37,697.84x = 52,019.34 × 21,780.08
4. Step 4: Simplify right side
   37,697.84x = 1,132,985,386.75
5. Step 5: Solve for x
   x = 1,132,985,386.75/37,697.84
6. Step 6: Final answer
   x = 30,054.38