Finding the Fourth Proportional to 126,105,046.48, 189,165,561.18 and 53,308,259.92

Step by Step Solution

1. Step 1: Write the proportion equation
   126,105,046.48 : 189,165,561.18 = 53,308,259.92 : x
2. Step 2: Convert to fraction form
   126,105,046.48/189,165,561.18 = 53,308,259.92/x
3. Step 3: Cross multiply
   126,105,046.48x = 189,165,561.18 × 53,308,259.92
4. Step 4: Simplify right side
   126,105,046.48x = 10,084,086,903,296,102
5. Step 5: Solve for x
   x = 10,084,086,903,296,102/126,105,046.48
6. Step 6: Final answer
   x = 79,965,768.10