Finding the Fourth Proportional to 35,361,749.30, 48,770,100.69 and 20,861,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,361,749.30 : 48,770,100.69 = 20,861,064.50 : x
2. Step 2: Convert to fraction form
   35,361,749.30/48,770,100.69 = 20,861,064.50/x
3. Step 3: Cross multiply
   35,361,749.30x = 48,770,100.69 × 20,861,064.50
4. Step 4: Simplify right side
   35,361,749.30x = 1,017,396,216,165,584.50
5. Step 5: Solve for x
   x = 1,017,396,216,165,584.50/35,361,749.30
6. Step 6: Final answer
   x = 28,771,094.09