Finding the Fourth Proportional to 22,146,731.42, 30,562,573.86 and 12,357,588.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,146,731.42 : 30,562,573.86 = 12,357,588.20 : x
2. Step 2: Convert to fraction form
   22,146,731.42/30,562,573.86 = 12,357,588.20/x
3. Step 3: Cross multiply
   22,146,731.42x = 30,562,573.86 × 12,357,588.20
4. Step 4: Simplify right side
   22,146,731.42x = 377,679,702,093,964.44
5. Step 5: Solve for x
   x = 377,679,702,093,964.44/22,146,731.42
6. Step 6: Final answer
   x = 17,053,518.87