Finding the Fourth Proportional to 117,594,196.56, 162,275,744.32 and 64,670,447.75

Step by Step Solution

1. Step 1: Write the proportion equation
   117,594,196.56 : 162,275,744.32 = 64,670,447.75 : x
2. Step 2: Convert to fraction form
   117,594,196.56/162,275,744.32 = 64,670,447.75/x
3. Step 3: Cross multiply
   117,594,196.56x = 162,275,744.32 × 64,670,447.75
4. Step 4: Simplify right side
   117,594,196.56x = 10,494,445,043,165,864
5. Step 5: Solve for x
   x = 10,494,445,043,165,864/117,594,196.56
6. Step 6: Final answer
   x = 89,242,882.30