Finding the Fourth Proportional to 13,105,780.05, 18,085,483.22 and 7,599,387.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105,780.05 : 18,085,483.22 = 7,599,387.30 : x
2. Step 2: Convert to fraction form
   13,105,780.05/18,085,483.22 = 7,599,387.30/x
3. Step 3: Cross multiply
   13,105,780.05x = 18,085,483.22 × 7,599,387.30
4. Step 4: Simplify right side
   13,105,780.05x = 137,438,591,433,360.14
5. Step 5: Solve for x
   x = 137,438,591,433,360.14/13,105,780.05
6. Step 6: Final answer
   x = 10,486,868.46