Finding the Fourth Proportional to 22,116,520.63, 30,520,939.89 and 12,327,585.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,116,520.63 : 30,520,939.89 = 12,327,585.31 : x
2. Step 2: Convert to fraction form
   22,116,520.63/30,520,939.89 = 12,327,585.31/x
3. Step 3: Cross multiply
   22,116,520.63x = 30,520,939.89 × 12,327,585.31
4. Step 4: Simplify right side
   22,116,520.63x = 376,249,490,235,357.06
5. Step 5: Solve for x
   x = 376,249,490,235,357.06/22,116,520.63
6. Step 6: Final answer
   x = 17,012,146.55