Finding the Fourth Proportional to 470,607,771.72, 705,652,464.72 and 194,196,155.52

Step by Step Solution

1. Step 1: Write the proportion equation
   470,607,771.72 : 705,652,464.72 = 194,196,155.52 : x
2. Step 2: Convert to fraction form
   470,607,771.72/705,652,464.72 = 194,196,155.52/x
3. Step 3: Cross multiply
   470,607,771.72x = 705,652,464.72 × 194,196,155.52
4. Step 4: Simplify right side
   470,607,771.72x = 137,034,995,781,836,448
5. Step 5: Solve for x
   x = 137,034,995,781,836,448/470,607,771.72
6. Step 6: Final answer
   x = 291,187,277.42