Finding the Fourth Proportional to 5,146,641.05, 7,719,979.61 and 1,308,463.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,146,641.05 : 7,719,979.61 = 1,308,463.88 : x
2. Step 2: Convert to fraction form
   5,146,641.05/7,719,979.61 = 1,308,463.88/x
3. Step 3: Cross multiply
   5,146,641.05x = 7,719,979.61 × 1,308,463.88
4. Step 4: Simplify right side
   5,146,641.05x = 10,101,314,428,879.27
5. Step 5: Solve for x
   x = 10,101,314,428,879.27/5,146,641.05
6. Step 6: Final answer
   x = 1,962,700.40