Finding the Fourth Proportional to 1,153,008,667.65, 1,729,155,293.91 and 415,982,760.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153,008,667.65 : 1,729,155,293.91 = 415,982,760.36 : x
2. Step 2: Convert to fraction form
   1,153,008,667.65/1,729,155,293.91 = 415,982,760.36/x
3. Step 3: Cross multiply
   1,153,008,667.65x = 1,729,155,293.91 × 415,982,760.36
4. Step 4: Simplify right side
   1,153,008,667.65x = 719,298,792,251,788,928
5. Step 5: Solve for x
   x = 719,298,792,251,788,928/1,153,008,667.65
6. Step 6: Final answer
   x = 623,845,086.71