Finding the Fourth Proportional to 65,150.36, 89,828.70 and 55,061

Step by Step Solution

1. Step 1: Write the proportion equation
   65,150.36 : 89,828.70 = 55,061 : x
2. Step 2: Convert to fraction form
   65,150.36/89,828.70 = 55,061/x
3. Step 3: Cross multiply
   65,150.36x = 89,828.70 × 55,061
4. Step 4: Simplify right side
   65,150.36x = 4,946,058,050.70
5. Step 5: Solve for x
   x = 4,946,058,050.70/65,150.36
6. Step 6: Final answer
   x = 75,917.59