Finding the Fourth Proportional to 37,316.88, 51,499.20 and 21,185.32

Step by Step Solution

1. Step 1: Write the proportion equation
   37,316.88 : 51,499.20 = 21,185.32 : x
2. Step 2: Convert to fraction form
   37,316.88/51,499.20 = 21,185.32/x
3. Step 3: Cross multiply
   37,316.88x = 51,499.20 × 21,185.32
4. Step 4: Simplify right side
   37,316.88x = 1,091,027,031.74
5. Step 5: Solve for x
   x = 1,091,027,031.74/37,316.88
6. Step 6: Final answer
   x = 29,236.82