Finding the Fourth Proportional to 1,404,586,857.99, 1,938,329,189.55 and 840,071,729.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,586,857.99 : 1,938,329,189.55 = 840,071,729.82 : x
2. Step 2: Convert to fraction form
   1,404,586,857.99/1,938,329,189.55 = 840,071,729.82/x
3. Step 3: Cross multiply
   1,404,586,857.99x = 1,938,329,189.55 × 840,071,729.82
4. Step 4: Simplify right side
   1,404,586,857.99x = 1,628,335,555,225,867,264
5. Step 5: Solve for x
   x = 1,628,335,555,225,867,264/1,404,586,857.99
6. Step 6: Final answer
   x = 1,159,298,583.75