Finding the Fourth Proportional to 1,601,410,479.05, 2,402,477,928.89 and 864,464,565.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601,410,479.05 : 2,402,477,928.89 = 864,464,565.75 : x
2. Step 2: Convert to fraction form
   1,601,410,479.05/2,402,477,928.89 = 864,464,565.75/x
3. Step 3: Cross multiply
   1,601,410,479.05x = 2,402,477,928.89 × 864,464,565.75
4. Step 4: Simplify right side
   1,601,410,479.05x = 2,076,857,039,517,531,136
5. Step 5: Solve for x
   x = 2,076,857,039,517,531,136/1,601,410,479.05
6. Step 6: Final answer
   x = 1,296,892,375.00