Finding the Fourth Proportional to 64,185.51, 88,569.18 and 35,500.61

Step by Step Solution

1. Step 1: Write the proportion equation
   64,185.51 : 88,569.18 = 35,500.61 : x
2. Step 2: Convert to fraction form
   64,185.51/88,569.18 = 35,500.61/x
3. Step 3: Cross multiply
   64,185.51x = 88,569.18 × 35,500.61
4. Step 4: Simplify right side
   64,185.51x = 3,144,259,939.62
5. Step 5: Solve for x
   x = 3,144,259,939.62/64,185.51
6. Step 6: Final answer
   x = 48,987.07