Finding the Fourth Proportional to 117,731,930.42, 162,468,478.08 and 65,520,952.25

Step by Step Solution

1. Step 1: Write the proportion equation
   117,731,930.42 : 162,468,478.08 = 65,520,952.25 : x
2. Step 2: Convert to fraction form
   117,731,930.42/162,468,478.08 = 65,520,952.25/x
3. Step 3: Cross multiply
   117,731,930.42x = 162,468,478.08 × 65,520,952.25
4. Step 4: Simplify right side
   117,731,930.42x = 10,645,089,393,597,510
5. Step 5: Solve for x
   x = 10,645,089,393,597,510/117,731,930.42
6. Step 6: Final answer
   x = 90,418,031.50