Finding the Fourth Proportional to 10,243,139.70, 15,364,709.55 and 5,141,306.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,243,139.70 : 15,364,709.55 = 5,141,306.10 : x
2. Step 2: Convert to fraction form
   10,243,139.70/15,364,709.55 = 5,141,306.10/x
3. Step 3: Cross multiply
   10,243,139.70x = 15,364,709.55 × 5,141,306.10
4. Step 4: Simplify right side
   10,243,139.70x = 78,994,674,934,143.25
5. Step 5: Solve for x
   x = 78,994,674,934,143.25/10,243,139.70
6. Step 6: Final answer
   x = 7,711,959.15