Finding the Fourth Proportional to 12,429,912.24, 17,154,141.30 and 7,535,340.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,429,912.24 : 17,154,141.30 = 7,535,340.62 : x
2. Step 2: Convert to fraction form
   12,429,912.24/17,154,141.30 = 7,535,340.62/x
3. Step 3: Cross multiply
   12,429,912.24x = 17,154,141.30 × 7,535,340.62
4. Step 4: Simplify right side
   12,429,912.24x = 129,262,297,739,109.61
5. Step 5: Solve for x
   x = 129,262,297,739,109.61/12,429,912.24
6. Step 6: Final answer
   x = 10,399,292.87