Finding the Fourth Proportional to 119,584,048.82, 165,025,986.01 and 64,579,905.32

Step by Step Solution

1. Step 1: Write the proportion equation
   119,584,048.82 : 165,025,986.01 = 64,579,905.32 : x
2. Step 2: Convert to fraction form
   119,584,048.82/165,025,986.01 = 64,579,905.32/x
3. Step 3: Cross multiply
   119,584,048.82x = 165,025,986.01 × 64,579,905.32
4. Step 4: Simplify right side
   119,584,048.82x = 10,657,362,551,405,902
5. Step 5: Solve for x
   x = 10,657,362,551,405,902/119,584,048.82
6. Step 6: Final answer
   x = 89,120,268.61