Finding the Fourth Proportional to 37,200.52, 51,339.18 and 21,289.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,200.52 : 51,339.18 = 21,289.96 : x
2. Step 2: Convert to fraction form
   37,200.52/51,339.18 = 21,289.96/x
3. Step 3: Cross multiply
   37,200.52x = 51,339.18 × 21,289.96
4. Step 4: Simplify right side
   37,200.52x = 1,093,009,088.63
5. Step 5: Solve for x
   x = 1,093,009,088.63/37,200.52
6. Step 6: Final answer
   x = 29,381.55