Finding the Fourth Proportional to 110,689,061.40, 166,104,450.90 and 64,630,841.40

Step by Step Solution

1. Step 1: Write the proportion equation
   110,689,061.40 : 166,104,450.90 = 64,630,841.40 : x
2. Step 2: Convert to fraction form
   110,689,061.40/166,104,450.90 = 64,630,841.40/x
3. Step 3: Cross multiply
   110,689,061.40x = 166,104,450.90 × 64,630,841.40
4. Step 4: Simplify right side
   110,689,061.40x = 10,735,470,421,951,988
5. Step 5: Solve for x
   x = 10,735,470,421,951,988/110,689,061.40
6. Step 6: Final answer
   x = 96,987,636.23