Finding the Fourth Proportional to 1,772,791,128.72, 2,446,375,758.12 and 979,796,100.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772,791,128.72 : 2,446,375,758.12 = 979,796,100.24 : x
2. Step 2: Convert to fraction form
   1,772,791,128.72/2,446,375,758.12 = 979,796,100.24/x
3. Step 3: Cross multiply
   1,772,791,128.72x = 2,446,375,758.12 × 979,796,100.24
4. Step 4: Simplify right side
   1,772,791,128.72x = 2,396,949,427,527,649,280
5. Step 5: Solve for x
   x = 2,396,949,427,527,649,280/1,772,791,128.72
6. Step 6: Final answer
   x = 1,352,076,614.50