Finding the Fourth Proportional to 64,264.69, 88,685.20 and 35,970.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,264.69 : 88,685.20 = 35,970.38 : x
2. Step 2: Convert to fraction form
   64,264.69/88,685.20 = 35,970.38/x
3. Step 3: Cross multiply
   64,264.69x = 88,685.20 × 35,970.38
4. Step 4: Simplify right side
   64,264.69x = 3,190,039,811.02
5. Step 5: Solve for x
   x = 3,190,039,811.02/64,264.69
6. Step 6: Final answer
   x = 49,639.08