Finding the Fourth Proportional to 144,349,472.76, 199,206,189.33 and 81,634,949.00

Step by Step Solution

1. Step 1: Write the proportion equation
   144,349,472.76 : 199,206,189.33 = 81,634,949.00 : x
2. Step 2: Convert to fraction form
   144,349,472.76/199,206,189.33 = 81,634,949.00/x
3. Step 3: Cross multiply
   144,349,472.76x = 199,206,189.33 × 81,634,949.00
4. Step 4: Simplify right side
   144,349,472.76x = 16,262,187,105,757,240
5. Step 5: Solve for x
   x = 16,262,187,105,757,240/144,349,472.76
6. Step 6: Final answer
   x = 112,658,444.78