Finding the Fourth Proportional to 1,557,141,185.59, 2,335,717,837.69 and 376,719,770.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,141,185.59 : 2,335,717,837.69 = 376,719,770.50 : x
2. Step 2: Convert to fraction form
   1,557,141,185.59/2,335,717,837.69 = 376,719,770.50/x
3. Step 3: Cross multiply
   1,557,141,185.59x = 2,335,717,837.69 × 376,719,770.50
4. Step 4: Simplify right side
   1,557,141,185.59x = 879,911,087,760,551,936
5. Step 5: Solve for x
   x = 879,911,087,760,551,936/1,557,141,185.59
6. Step 6: Final answer
   x = 565,081,121.68