Finding the Fourth Proportional to 117,773,805.27, 162,529,054.01 and 64,855,433.91

Step by Step Solution

1. Step 1: Write the proportion equation
   117,773,805.27 : 162,529,054.01 = 64,855,433.91 : x
2. Step 2: Convert to fraction form
   117,773,805.27/162,529,054.01 = 64,855,433.91/x
3. Step 3: Cross multiply
   117,773,805.27x = 162,529,054.01 × 64,855,433.91
4. Step 4: Simplify right side
   117,773,805.27x = 10,540,892,321,443,146
5. Step 5: Solve for x
   x = 10,540,892,321,443,146/117,773,805.27
6. Step 6: Final answer
   x = 89,501,161.12