Finding the Fourth Proportional to 13,359,015.19, 18,435,476.69 and 7,247,443.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,359,015.19 : 18,435,476.69 = 7,247,443.69 : x
2. Step 2: Convert to fraction form
   13,359,015.19/18,435,476.69 = 7,247,443.69/x
3. Step 3: Cross multiply
   13,359,015.19x = 18,435,476.69 × 7,247,443.69
4. Step 4: Simplify right side
   13,359,015.19x = 133,610,079,209,082.61
5. Step 5: Solve for x
   x = 133,610,079,209,082.61/13,359,015.19
6. Step 6: Final answer
   x = 10,001,491.68