Finding the Fourth Proportional to 1,172,493,665.22, 1,758,797,057.82 and 385,529,894.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172,493,665.22 : 1,758,797,057.82 = 385,529,894.70 : x
2. Step 2: Convert to fraction form
   1,172,493,665.22/1,758,797,057.82 = 385,529,894.70/x
3. Step 3: Cross multiply
   1,172,493,665.22x = 1,758,797,057.82 × 385,529,894.70
4. Step 4: Simplify right side
   1,172,493,665.22x = 678,068,844,500,014,336
5. Step 5: Solve for x
   x = 678,068,844,500,014,336/1,172,493,665.22
6. Step 6: Final answer
   x = 578,313,439.65