Finding the Fourth Proportional to 37,357.31, 51,549.48 and 21,438.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,357.31 : 51,549.48 = 21,438.69 : x
2. Step 2: Convert to fraction form
   37,357.31/51,549.48 = 21,438.69/x
3. Step 3: Cross multiply
   37,357.31x = 51,549.48 × 21,438.69
4. Step 4: Simplify right side
   37,357.31x = 1,105,153,063.63
5. Step 5: Solve for x
   x = 1,105,153,063.63/37,357.31
6. Step 6: Final answer
   x = 29,583.31