Finding the Fourth Proportional to 119,612,298.12, 165,065,034.72 and 64,608,154.56

Step by Step Solution

1. Step 1: Write the proportion equation
   119,612,298.12 : 165,065,034.72 = 64,608,154.56 : x
2. Step 2: Convert to fraction form
   119,612,298.12/165,065,034.72 = 64,608,154.56/x
3. Step 3: Cross multiply
   119,612,298.12x = 165,065,034.72 × 64,608,154.56
4. Step 4: Simplify right side
   119,612,298.12x = 10,664,547,275,641,526
5. Step 5: Solve for x
   x = 10,664,547,275,641,526/119,612,298.12
6. Step 6: Final answer
   x = 89,159,287.49