Finding the Fourth Proportional to 65,106.48, 89,820.50 and 42,437.52

Step by Step Solution

1. Step 1: Write the proportion equation
   65,106.48 : 89,820.50 = 42,437.52 : x
2. Step 2: Convert to fraction form
   65,106.48/89,820.50 = 42,437.52/x
3. Step 3: Cross multiply
   65,106.48x = 89,820.50 × 42,437.52
4. Step 4: Simplify right side
   65,106.48x = 3,811,759,052.97
5. Step 5: Solve for x
   x = 3,811,759,052.97/65,106.48
6. Step 6: Final answer
   x = 58,546.54