Finding the Fourth Proportional to 65,148, 89,904.72 and 35,340

Step by Step Solution

1. Step 1: Write the proportion equation
   65,148 : 89,904.72 = 35,340 : x
2. Step 2: Convert to fraction form
   65,148/89,904.72 = 35,340/x
3. Step 3: Cross multiply
   65,148x = 89,904.72 × 35,340
4. Step 4: Simplify right side
   65,148x = 3,177,232,804.80
5. Step 5: Solve for x
   x = 3,177,232,804.80/65,148
6. Step 6: Final answer
   x = 48,769.46