Finding the Fourth Proportional to 5,112,141.54, 7,054,406.28 and 2,820,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,112,141.54 : 7,054,406.28 = 2,820,340.50 : x
2. Step 2: Convert to fraction form
   5,112,141.54/7,054,406.28 = 2,820,340.50/x
3. Step 3: Cross multiply
   5,112,141.54x = 7,054,406.28 × 2,820,340.50
4. Step 4: Simplify right side
   5,112,141.54x = 19,895,827,734,938.34
5. Step 5: Solve for x
   x = 19,895,827,734,938.34/5,112,141.54
6. Step 6: Final answer
   x = 3,891,877.32