Finding the Fourth Proportional to 147,589.00, 221,382.72 and 57,640.84

Step by Step Solution

1. Step 1: Write the proportion equation
   147,589.00 : 221,382.72 = 57,640.84 : x
2. Step 2: Convert to fraction form
   147,589.00/221,382.72 = 57,640.84/x
3. Step 3: Cross multiply
   147,589.00x = 221,382.72 × 57,640.84
4. Step 4: Simplify right side
   147,589.00x = 12,760,685,388.83
5. Step 5: Solve for x
   x = 12,760,685,388.83/147,589.00
6. Step 6: Final answer
   x = 86,460.95