Finding the Fourth Proportional to 64,300.78, 88,734.11 and 35,620.35

Step by Step Solution

1. Step 1: Write the proportion equation
   64,300.78 : 88,734.11 = 35,620.35 : x
2. Step 2: Convert to fraction form
   64,300.78/88,734.11 = 35,620.35/x
3. Step 3: Cross multiply
   64,300.78x = 88,734.11 × 35,620.35
4. Step 4: Simplify right side
   64,300.78x = 3,160,740,055.14
5. Step 5: Solve for x
   x = 3,160,740,055.14/64,300.78
6. Step 6: Final answer
   x = 49,155.55