Finding the Fourth Proportional to 37,515.90, 51,784.98 and 21,606.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,515.90 : 51,784.98 = 21,606.69 : x
2. Step 2: Convert to fraction form
   37,515.90/51,784.98 = 21,606.69/x
3. Step 3: Cross multiply
   37,515.90x = 51,784.98 × 21,606.69
4. Step 4: Simplify right side
   37,515.90x = 1,118,902,009.52
5. Step 5: Solve for x
   x = 1,118,902,009.52/37,515.90
6. Step 6: Final answer
   x = 29,824.74