Finding the Fourth Proportional to 13,359,020.19, 18,435,483.59 and 7,247,448.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,359,020.19 : 18,435,483.59 = 7,247,448.69 : x
2. Step 2: Convert to fraction form
   13,359,020.19/18,435,483.59 = 7,247,448.69/x
3. Step 3: Cross multiply
   13,359,020.19x = 18,435,483.59 × 7,247,448.69
4. Step 4: Simplify right side
   13,359,020.19x = 133,610,221,393,862
5. Step 5: Solve for x
   x = 133,610,221,393,862/13,359,020.19
6. Step 6: Final answer
   x = 10,001,498.58