Finding the Fourth Proportional to 117,633,753.27, 162,333,681.84 and 64,709,321.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,633,753.27 : 162,333,681.84 = 64,709,321.31 : x
2. Step 2: Convert to fraction form
   117,633,753.27/162,333,681.84 = 64,709,321.31/x
3. Step 3: Cross multiply
   117,633,753.27x = 162,333,681.84 × 64,709,321.31
4. Step 4: Simplify right side
   117,633,753.27x = 10,504,502,377,619,872
5. Step 5: Solve for x
   x = 10,504,502,377,619,872/117,633,753.27
6. Step 6: Final answer
   x = 89,298,369.61