Finding the Fourth Proportional to 37,263.70, 51,423.78 and 21,348.10

Step by Step Solution

1. Step 1: Write the proportion equation
   37,263.70 : 51,423.78 = 21,348.10 : x
2. Step 2: Convert to fraction form
   37,263.70/51,423.78 = 21,348.10/x
3. Step 3: Cross multiply
   37,263.70x = 51,423.78 × 21,348.10
4. Step 4: Simplify right side
   37,263.70x = 1,097,799,997.82
5. Step 5: Solve for x
   x = 1,097,799,997.82/37,263.70
6. Step 6: Final answer
   x = 29,460.31