Finding the Fourth Proportional to 2,810,630.32, 4,215,955.47 and 680,715.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,630.32 : 4,215,955.47 = 680,715.88 : x
2. Step 2: Convert to fraction form
   2,810,630.32/4,215,955.47 = 680,715.88/x
3. Step 3: Cross multiply
   2,810,630.32x = 4,215,955.47 × 680,715.88
4. Step 4: Simplify right side
   2,810,630.32x = 2,869,867,837,801.86
5. Step 5: Solve for x
   x = 2,869,867,837,801.86/2,810,630.32
6. Step 6: Final answer
   x = 1,021,076.24