Finding the Fourth Proportional to 13,560,123.29, 18,713,107.89 and 7,365,230.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,560,123.29 : 18,713,107.89 = 7,365,230.15 : x
2. Step 2: Convert to fraction form
   13,560,123.29/18,713,107.89 = 7,365,230.15/x
3. Step 3: Cross multiply
   13,560,123.29x = 18,713,107.89 × 7,365,230.15
4. Step 4: Simplify right side
   13,560,123.29x = 137,826,346,338,065.34
5. Step 5: Solve for x
   x = 137,826,346,338,065.34/13,560,123.29
6. Step 6: Final answer
   x = 10,164,092.42