Finding the Fourth Proportional to 1,164,920,900.35, 1,747,387,882.82 and 388,564,429.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164,920,900.35 : 1,747,387,882.82 = 388,564,429.77 : x
2. Step 2: Convert to fraction form
   1,164,920,900.35/1,747,387,882.82 = 388,564,429.77/x
3. Step 3: Cross multiply
   1,164,920,900.35x = 1,747,387,882.82 × 388,564,429.77
4. Step 4: Simplify right side
   1,164,920,900.35x = 678,972,776,266,223,872
5. Step 5: Solve for x
   x = 678,972,776,266,223,872/1,164,920,900.35
6. Step 6: Final answer
   x = 582,848,823.52