Finding the Fourth Proportional to 43,315,139.19, 64,972,096.55 and 10,525,949.09

Step by Step Solution

1. Step 1: Write the proportion equation
   43,315,139.19 : 64,972,096.55 = 10,525,949.09 : x
2. Step 2: Convert to fraction form
   43,315,139.19/64,972,096.55 = 10,525,949.09/x
3. Step 3: Cross multiply
   43,315,139.19x = 64,972,096.55 × 10,525,949.09
4. Step 4: Simplify right side
   43,315,139.19x = 683,892,980,178,374.50
5. Step 5: Solve for x
   x = 683,892,980,178,374.50/43,315,139.19
6. Step 6: Final answer
   x = 15,788,774.85