Finding the Fourth Proportional to 20,663,761.02, 30,994,386.72 and 7,707,414.12

Step by Step Solution

1. Step 1: Write the proportion equation
   20,663,761.02 : 30,994,386.72 = 7,707,414.12 : x
2. Step 2: Convert to fraction form
   20,663,761.02/30,994,386.72 = 7,707,414.12/x
3. Step 3: Cross multiply
   20,663,761.02x = 30,994,386.72 × 7,707,414.12
4. Step 4: Simplify right side
   20,663,761.02x = 238,886,573,846,468.47
5. Step 5: Solve for x
   x = 238,886,573,846,468.47/20,663,761.02
6. Step 6: Final answer
   x = 11,560,653.15