Finding the Fourth Proportional to 119,605,162.67, 165,055,235.72 and 64,601,019.17

Step by Step Solution

1. Step 1: Write the proportion equation
   119,605,162.67 : 165,055,235.72 = 64,601,019.17 : x
2. Step 2: Convert to fraction form
   119,605,162.67/165,055,235.72 = 64,601,019.17/x
3. Step 3: Cross multiply
   119,605,162.67x = 165,055,235.72 × 64,601,019.17
4. Step 4: Simplify right side
   119,605,162.67x = 10,662,736,446,533,584
5. Step 5: Solve for x
   x = 10,662,736,446,533,584/119,605,162.67
6. Step 6: Final answer
   x = 89,149,466.53