Finding the Fourth Proportional to 25,638,964,589.82, 35,381,978,878.29 and 14,207,724,387.87

Step by Step Solution

1. Step 1: Write the proportion equation
   25,638,964,589.82 : 35,381,978,878.29 = 14,207,724,387.87 : x
2. Step 2: Convert to fraction form
   25,638,964,589.82/35,381,978,878.29 = 14,207,724,387.87/x
3. Step 3: Cross multiply
   25,638,964,589.82x = 35,381,978,878.29 × 14,207,724,387.87
4. Step 4: Simplify right side
   25,638,964,589.82x = 502,697,404,200,182,087,680
5. Step 5: Solve for x
   x = 502,697,404,200,182,087,680/25,638,964,589.82
6. Step 6: Final answer
   x = 19,606,774,775.91