Finding the Fourth Proportional to 5,143,036.12, 7,715,072.58 and 1,356,780.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143,036.12 : 7,715,072.58 = 1,356,780.76 : x
2. Step 2: Convert to fraction form
   5,143,036.12/7,715,072.58 = 1,356,780.76/x
3. Step 3: Cross multiply
   5,143,036.12x = 7,715,072.58 × 1,356,780.76
4. Step 4: Simplify right side
   5,143,036.12x = 10,467,662,038,547.56
5. Step 5: Solve for x
   x = 10,467,662,038,547.56/5,143,036.12
6. Step 6: Final answer
   x = 2,035,307.90