Finding the Fourth Proportional to 2,185,521,858, 3,277,548,678.69 and 711,314,959.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,521,858 : 3,277,548,678.69 = 711,314,959.05 : x
2. Step 2: Convert to fraction form
   2,185,521,858/3,277,548,678.69 = 711,314,959.05/x
3. Step 3: Cross multiply
   2,185,521,858x = 3,277,548,678.69 × 711,314,959.05
4. Step 4: Simplify right side
   2,185,521,858x = 2,331,369,404,166,758,912
5. Step 5: Solve for x
   x = 2,331,369,404,166,758,912/2,185,521,858
6. Step 6: Final answer
   x = 1,066,733,510.64