Finding the Fourth Proportional to 37,729.08, 52,070.72 and 21,602.38

Step by Step Solution

1. Step 1: Write the proportion equation
   37,729.08 : 52,070.72 = 21,602.38 : x
2. Step 2: Convert to fraction form
   37,729.08/52,070.72 = 21,602.38/x
3. Step 3: Cross multiply
   37,729.08x = 52,070.72 × 21,602.38
4. Step 4: Simplify right side
   37,729.08x = 1,124,851,480.31
5. Step 5: Solve for x
   x = 1,124,851,480.31/37,729.08
6. Step 6: Final answer
   x = 29,813.91