Finding the Fourth Proportional to 119,782,912.52, 165,300,917.27 and 64,778,769.02

Step by Step Solution

1. Step 1: Write the proportion equation
   119,782,912.52 : 165,300,917.27 = 64,778,769.02 : x
2. Step 2: Convert to fraction form
   119,782,912.52/165,300,917.27 = 64,778,769.02/x
3. Step 3: Cross multiply
   119,782,912.52x = 165,300,917.27 × 64,778,769.02
4. Step 4: Simplify right side
   119,782,912.52x = 10,707,989,938,716,816
5. Step 5: Solve for x
   x = 10,707,989,938,716,816/119,782,912.52
6. Step 6: Final answer
   x = 89,394,970.56