Finding the Fourth Proportional to 117,719,443.40, 162,451,542.67 and 64,795,019.49

Step by Step Solution

1. Step 1: Write the proportion equation
   117,719,443.40 : 162,451,542.67 = 64,795,019.49 : x
2. Step 2: Convert to fraction form
   117,719,443.40/162,451,542.67 = 64,795,019.49/x
3. Step 3: Cross multiply
   117,719,443.40x = 162,451,542.67 × 64,795,019.49
4. Step 4: Simplify right side
   117,719,443.40x = 10,526,050,873,321,228
5. Step 5: Solve for x
   x = 10,526,050,873,321,228/117,719,443.40
6. Step 6: Final answer
   x = 89,416,417.29