Finding the Fourth Proportional to 12,539,339,536.08, 17,300,392,906.68 and 7,112,980,824.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,539,339,536.08 : 17,300,392,906.68 = 7,112,980,824.72 : x
2. Step 2: Convert to fraction form
   12,539,339,536.08/17,300,392,906.68 = 7,112,980,824.72/x
3. Step 3: Cross multiply
   12,539,339,536.08x = 17,300,392,906.68 × 7,112,980,824.72
4. Step 4: Simplify right side
   12,539,339,536.08x = 123,057,363,005,336,748,032
5. Step 5: Solve for x
   x = 123,057,363,005,336,748,032/12,539,339,536.08
6. Step 6: Final answer
   x = 9,813,703,716.31