Finding the Fourth Proportional to 1,172,663,465.33, 1,617,912,707.33 and 677,445,483.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172,663,465.33 : 1,617,912,707.33 = 677,445,483.89 : x
2. Step 2: Convert to fraction form
   1,172,663,465.33/1,617,912,707.33 = 677,445,483.89/x
3. Step 3: Cross multiply
   1,172,663,465.33x = 1,617,912,707.33 × 677,445,483.89
4. Step 4: Simplify right side
   1,172,663,465.33x = 1,096,047,656,897,475,072
5. Step 5: Solve for x
   x = 1,096,047,656,897,475,072/1,172,663,465.33
6. Step 6: Final answer
   x = 934,665,135.66