Finding the Fourth Proportional to 6,923,123.86, 10,341,513.45 and 5,129,510.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,923,123.86 : 10,341,513.45 = 5,129,510.49 : x
2. Step 2: Convert to fraction form
   6,923,123.86/10,341,513.45 = 5,129,510.49/x
3. Step 3: Cross multiply
   6,923,123.86x = 10,341,513.45 × 5,129,510.49
4. Step 4: Simplify right side
   6,923,123.86x = 53,046,901,724,251.09
5. Step 5: Solve for x
   x = 53,046,901,724,251.09/6,923,123.86
6. Step 6: Final answer
   x = 7,662,278.30