Finding the Fourth Proportional to 13,216,747.50, 19,825,093.89 and 7,456,866.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,216,747.50 : 19,825,093.89 = 7,456,866.48 : x
2. Step 2: Convert to fraction form
   13,216,747.50/19,825,093.89 = 7,456,866.48/x
3. Step 3: Cross multiply
   13,216,747.50x = 19,825,093.89 × 7,456,866.48
4. Step 4: Simplify right side
   13,216,747.50x = 147,833,078,091,193.81
5. Step 5: Solve for x
   x = 147,833,078,091,193.81/13,216,747.50
6. Step 6: Final answer
   x = 11,185,284.28