Finding the Fourth Proportional to 9,207,615,382.47, 12,705,987,520.71 and 5,193,045,705.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,207,615,382.47 : 12,705,987,520.71 = 5,193,045,705.06 : x
2. Step 2: Convert to fraction form
   9,207,615,382.47/12,705,987,520.71 = 5,193,045,705.06/x
3. Step 3: Cross multiply
   9,207,615,382.47x = 12,705,987,520.71 × 5,193,045,705.06
4. Step 4: Simplify right side
   9,207,615,382.47x = 65,982,773,922,969,026,560
5. Step 5: Solve for x
   x = 65,982,773,922,969,026,560/9,207,615,382.47
6. Step 6: Final answer
   x = 7,166,108,832.98