Finding the Fourth Proportional to 196,915,917.59, 271,759,456.96 and 112,146,620.77

Step by Step Solution

1. Step 1: Write the proportion equation
   196,915,917.59 : 271,759,456.96 = 112,146,620.77 : x
2. Step 2: Convert to fraction form
   196,915,917.59/271,759,456.96 = 112,146,620.77/x
3. Step 3: Cross multiply
   196,915,917.59x = 271,759,456.96 × 112,146,620.77
4. Step 4: Simplify right side
   196,915,917.59x = 30,476,904,758,995,456
5. Step 5: Solve for x
   x = 30,476,904,758,995,456/196,915,917.59
6. Step 6: Final answer
   x = 154,771,158.84