Finding the Fourth Proportional to 37,715.01, 52,052.40 and 21,799.05

Step by Step Solution

1. Step 1: Write the proportion equation
   37,715.01 : 52,052.40 = 21,799.05 : x
2. Step 2: Convert to fraction form
   37,715.01/52,052.40 = 21,799.05/x
3. Step 3: Cross multiply
   37,715.01x = 52,052.40 × 21,799.05
4. Step 4: Simplify right side
   37,715.01x = 1,134,692,870.22
5. Step 5: Solve for x
   x = 1,134,692,870.22/37,715.01
6. Step 6: Final answer
   x = 30,085.98