Finding the Fourth Proportional to 2,116,619,089.56, 2,920,782,721.68 and 1,164,066,898.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,619,089.56 : 2,920,782,721.68 = 1,164,066,898.50 : x
2. Step 2: Convert to fraction form
   2,116,619,089.56/2,920,782,721.68 = 1,164,066,898.50/x
3. Step 3: Cross multiply
   2,116,619,089.56x = 2,920,782,721.68 × 1,164,066,898.50
4. Step 4: Simplify right side
   2,116,619,089.56x = 3,399,986,484,018,425,856
5. Step 5: Solve for x
   x = 3,399,986,484,018,425,856/2,116,619,089.56
6. Step 6: Final answer
   x = 1,606,328,933.15