Finding the Fourth Proportional to 2,113,077,657.30, 3,170,064,383.55 and 639,096,422.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,077,657.30 : 3,170,064,383.55 = 639,096,422.10 : x
2. Step 2: Convert to fraction form
   2,113,077,657.30/3,170,064,383.55 = 639,096,422.10/x
3. Step 3: Cross multiply
   2,113,077,657.30x = 3,170,064,383.55 × 639,096,422.10
4. Step 4: Simplify right side
   2,113,077,657.30x = 2,025,976,805,353,447,168
5. Step 5: Solve for x
   x = 2,025,976,805,353,447,168/2,113,077,657.30
6. Step 6: Final answer
   x = 958,780,098.95