Finding the Fourth Proportional to 10,538,868.96, 14,543,640.72 and 5,709,972.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,538,868.96 : 14,543,640.72 = 5,709,972.96 : x
2. Step 2: Convert to fraction form
   10,538,868.96/14,543,640.72 = 5,709,972.96/x
3. Step 3: Cross multiply
   10,538,868.96x = 14,543,640.72 × 5,709,972.96
4. Step 4: Simplify right side
   10,538,868.96x = 83,043,795,251,154.94
5. Step 5: Solve for x
   x = 83,043,795,251,154.94/10,538,868.96
6. Step 6: Final answer
   x = 7,879,763.53