Finding the Fourth Proportional to 64,722.84, 89,300.04 and 37,872

Step by Step Solution

1. Step 1: Write the proportion equation
   64,722.84 : 89,300.04 = 37,872 : x
2. Step 2: Convert to fraction form
   64,722.84/89,300.04 = 37,872/x
3. Step 3: Cross multiply
   64,722.84x = 89,300.04 × 37,872
4. Step 4: Simplify right side
   64,722.84x = 3,381,971,114.88
5. Step 5: Solve for x
   x = 3,381,971,114.88/64,722.84
6. Step 6: Final answer
   x = 52,253.13