Finding the Fourth Proportional to 12,558,313,111.14, 17,325,026,980.38 and 7,474,826,429.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,558,313,111.14 : 17,325,026,980.38 = 7,474,826,429.10 : x
2. Step 2: Convert to fraction form
   12,558,313,111.14/17,325,026,980.38 = 7,474,826,429.10/x
3. Step 3: Cross multiply
   12,558,313,111.14x = 17,325,026,980.38 × 7,474,826,429.10
4. Step 4: Simplify right side
   12,558,313,111.14x = 129,501,569,557,815,001,088
5. Step 5: Solve for x
   x = 129,501,569,557,815,001,088/12,558,313,111.14
6. Step 6: Final answer
   x = 10,312,019,489.54