Finding the Fourth Proportional to 1,164,974,670.96, 1,607,654,180.87 and 636,338,454.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164,974,670.96 : 1,607,654,180.87 = 636,338,454.72 : x
2. Step 2: Convert to fraction form
   1,164,974,670.96/1,607,654,180.87 = 636,338,454.72/x
3. Step 3: Cross multiply
   1,164,974,670.96x = 1,607,654,180.87 × 636,338,454.72
4. Step 4: Simplify right side
   1,164,974,670.96x = 1,023,012,177,178,963,200
5. Step 5: Solve for x
   x = 1,023,012,177,178,963,200/1,164,974,670.96
6. Step 6: Final answer
   x = 878,141,132.75