Finding the Fourth Proportional to 37,814.61, 52,187.19 and 21,899.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,814.61 : 52,187.19 = 21,899.34 : x
2. Step 2: Convert to fraction form
   37,814.61/52,187.19 = 21,899.34/x
3. Step 3: Cross multiply
   37,814.61x = 52,187.19 × 21,899.34
4. Step 4: Simplify right side
   37,814.61x = 1,142,865,017.45
5. Step 5: Solve for x
   x = 1,142,865,017.45/37,814.61
6. Step 6: Final answer
   x = 30,222.84