Finding the Fourth Proportional to 119,557.01, 164,987.43 and 65,840.88

Step by Step Solution

1. Step 1: Write the proportion equation
   119,557.01 : 164,987.43 = 65,840.88 : x
2. Step 2: Convert to fraction form
   119,557.01/164,987.43 = 65,840.88/x
3. Step 3: Cross multiply
   119,557.01x = 164,987.43 × 65,840.88
4. Step 4: Simplify right side
   119,557.01x = 10,862,916,426.00
5. Step 5: Solve for x
   x = 10,862,916,426.00/119,557.01
6. Step 6: Final answer
   x = 90,859.72