Finding the Fourth Proportional to 201,013,186.78, 277,404,926.06 and 111,708,894.79

Step by Step Solution

1. Step 1: Write the proportion equation
   201,013,186.78 : 277,404,926.06 = 111,708,894.79 : x
2. Step 2: Convert to fraction form
   201,013,186.78/277,404,926.06 = 111,708,894.79/x
3. Step 3: Cross multiply
   201,013,186.78x = 277,404,926.06 × 111,708,894.79
4. Step 4: Simplify right side
   201,013,186.78x = 30,988,597,697,518,700
5. Step 5: Solve for x
   x = 30,988,597,697,518,700/201,013,186.78
6. Step 6: Final answer
   x = 154,162,013.92