Finding the Fourth Proportional to 117,719,456.09, 162,451,560.22 and 64,795,032.20

Step by Step Solution

1. Step 1: Write the proportion equation
   117,719,456.09 : 162,451,560.22 = 64,795,032.20 : x
2. Step 2: Convert to fraction form
   117,719,456.09/162,451,560.22 = 64,795,032.20/x
3. Step 3: Cross multiply
   117,719,456.09x = 162,451,560.22 × 64,795,032.20
4. Step 4: Simplify right side
   117,719,456.09x = 10,526,054,075,639,280
5. Step 5: Solve for x
   x = 10,526,054,075,639,280/117,719,456.09
6. Step 6: Final answer
   x = 89,416,434.85