Finding the Fourth Proportional to 1,066,664,404.29, 1,596,808,818.47 and 645,210,324.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,664,404.29 : 1,596,808,818.47 = 645,210,324.98 : x
2. Step 2: Convert to fraction form
   1,066,664,404.29/1,596,808,818.47 = 645,210,324.98/x
3. Step 3: Cross multiply
   1,066,664,404.29x = 1,596,808,818.47 × 645,210,324.98
4. Step 4: Simplify right side
   1,066,664,404.29x = 1,030,277,536,695,958,528
5. Step 5: Solve for x
   x = 1,030,277,536,695,958,528/1,066,664,404.29
6. Step 6: Final answer
   x = 965,887,239.28