Finding the Fourth Proportional to 37,872.01, 52,263.57 and 21,965.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,872.01 : 52,263.57 = 21,965.86 : x
2. Step 2: Convert to fraction form
   37,872.01/52,263.57 = 21,965.86/x
3. Step 3: Cross multiply
   37,872.01x = 52,263.57 × 21,965.86
4. Step 4: Simplify right side
   37,872.01x = 1,148,014,261.72
5. Step 5: Solve for x
   x = 1,148,014,261.72/37,872.01
6. Step 6: Final answer
   x = 30,313.00