Finding the Fourth Proportional to 173,499,761.29, 260,240,062.49 and 126,861,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,499,761.29 : 260,240,062.49 = 126,861,040.50 : x
2. Step 2: Convert to fraction form
   173,499,761.29/260,240,062.49 = 126,861,040.50/x
3. Step 3: Cross multiply
   173,499,761.29x = 260,240,062.49 × 126,861,040.50
4. Step 4: Simplify right side
   173,499,761.29x = 33,014,325,107,266,424
5. Step 5: Solve for x
   x = 33,014,325,107,266,424/173,499,761.29
6. Step 6: Final answer
   x = 190,284,556.37