Finding the Fourth Proportional to 13,301,464.14, 18,354,461.09 and 7,499,899.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,301,464.14 : 18,354,461.09 = 7,499,899.89 : x
2. Step 2: Convert to fraction form
   13,301,464.14/18,354,461.09 = 7,499,899.89/x
3. Step 3: Cross multiply
   13,301,464.14x = 18,354,461.09 × 7,499,899.89
4. Step 4: Simplify right side
   13,301,464.14x = 137,656,620,672,400.78
5. Step 5: Solve for x
   x = 137,656,620,672,400.78/13,301,464.14
6. Step 6: Final answer
   x = 10,348,982.58