Finding the Fourth Proportional to 510,693,585.37, 766,147,978.46 and 165,620,305.42

Step by Step Solution

1. Step 1: Write the proportion equation
   510,693,585.37 : 766,147,978.46 = 165,620,305.42 : x
2. Step 2: Convert to fraction form
   510,693,585.37/766,147,978.46 = 165,620,305.42/x
3. Step 3: Cross multiply
   510,693,585.37x = 766,147,978.46 × 165,620,305.42
4. Step 4: Simplify right side
   510,693,585.37x = 126,889,662,189,460,784
5. Step 5: Solve for x
   x = 126,889,662,189,460,784/510,693,585.37
6. Step 6: Final answer
   x = 248,465,353.44