Finding the Fourth Proportional to 65,231.84, 90,072.42 and 52,444.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,231.84 : 90,072.42 = 52,444.10 : x
2. Step 2: Convert to fraction form
   65,231.84/90,072.42 = 52,444.10/x
3. Step 3: Cross multiply
   65,231.84x = 90,072.42 × 52,444.10
4. Step 4: Simplify right side
   65,231.84x = 4,723,767,001.72
5. Step 5: Solve for x
   x = 4,723,767,001.72/65,231.84
6. Step 6: Final answer
   x = 72,415.05