Finding the Fourth Proportional to 117,609,211.98, 162,300,846.09 and 65,397,126.66

Step by Step Solution

1. Step 1: Write the proportion equation
   117,609,211.98 : 162,300,846.09 = 65,397,126.66 : x
2. Step 2: Convert to fraction form
   117,609,211.98/162,300,846.09 = 65,397,126.66/x
3. Step 3: Cross multiply
   117,609,211.98x = 162,300,846.09 × 65,397,126.66
4. Step 4: Simplify right side
   117,609,211.98x = 10,614,008,988,933,410
5. Step 5: Solve for x
   x = 10,614,008,988,933,410/117,609,211.98
6. Step 6: Final answer
   x = 90,248,109.06