Finding the Fourth Proportional to 65,272.98, 90,044.67 and 42,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,272.98 : 90,044.67 = 42,601.50 : x
2. Step 2: Convert to fraction form
   65,272.98/90,044.67 = 42,601.50/x
3. Step 3: Cross multiply
   65,272.98x = 90,044.67 × 42,601.50
4. Step 4: Simplify right side
   65,272.98x = 3,836,038,009.01
5. Step 5: Solve for x
   x = 3,836,038,009.01/65,272.98
6. Step 6: Final answer
   x = 58,769.16