Finding the Fourth Proportional to 110,987.97, 153,164.96 and 65,664.82

Step by Step Solution

1. Step 1: Write the proportion equation
   110,987.97 : 153,164.96 = 65,664.82 : x
2. Step 2: Convert to fraction form
   110,987.97/153,164.96 = 65,664.82/x
3. Step 3: Cross multiply
   110,987.97x = 153,164.96 × 65,664.82
4. Step 4: Simplify right side
   110,987.97x = 10,057,549,528.71
5. Step 5: Solve for x
   x = 10,057,549,528.71/110,987.97
6. Step 6: Final answer
   x = 90,618.38