Finding the Fourth Proportional to 1,405,759,764.32, 1,939,906,473.72 and 770,658,540.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,759,764.32 : 1,939,906,473.72 = 770,658,540.06 : x
2. Step 2: Convert to fraction form
   1,405,759,764.32/1,939,906,473.72 = 770,658,540.06/x
3. Step 3: Cross multiply
   1,405,759,764.32x = 1,939,906,473.72 × 770,658,540.06
4. Step 4: Simplify right side
   1,405,759,764.32x = 1,495,005,490,889,997,824
5. Step 5: Solve for x
   x = 1,495,005,490,889,997,824/1,405,759,764.32
6. Step 6: Final answer
   x = 1,063,485,759.69