Finding the Fourth Proportional to 37,948.02, 52,365.15 and 21,810.21

Step by Step Solution

1. Step 1: Write the proportion equation
   37,948.02 : 52,365.15 = 21,810.21 : x
2. Step 2: Convert to fraction form
   37,948.02/52,365.15 = 21,810.21/x
3. Step 3: Cross multiply
   37,948.02x = 52,365.15 × 21,810.21
4. Step 4: Simplify right side
   37,948.02x = 1,142,094,918.18
5. Step 5: Solve for x
   x = 1,142,094,918.18/37,948.02
6. Step 6: Final answer
   x = 30,096.30