Finding the Fourth Proportional to 109,726,346.79, 164,626,108.70 and 72,983,091.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,726,346.79 : 164,626,108.70 = 72,983,091.96 : x
2. Step 2: Convert to fraction form
   109,726,346.79/164,626,108.70 = 72,983,091.96/x
3. Step 3: Cross multiply
   109,726,346.79x = 164,626,108.70 × 72,983,091.96
4. Step 4: Simplify right side
   109,726,346.79x = 12,014,922,429,904,138
5. Step 5: Solve for x
   x = 12,014,922,429,904,138/109,726,346.79
6. Step 6: Final answer
   x = 109,498,974.32