Finding the Fourth Proportional to 109,941.20, 151,722.52 and 64,618.52

Step by Step Solution

1. Step 1: Write the proportion equation
   109,941.20 : 151,722.52 = 64,618.52 : x
2. Step 2: Convert to fraction form
   109,941.20/151,722.52 = 64,618.52/x
3. Step 3: Cross multiply
   109,941.20x = 151,722.52 × 64,618.52
4. Step 4: Simplify right side
   109,941.20x = 9,804,084,693.07
5. Step 5: Solve for x
   x = 9,804,084,693.07/109,941.20
6. Step 6: Final answer
   x = 89,175.71