Finding the Fourth Proportional to 10,671,939.61, 14,727,259.69 and 5,777,160.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,671,939.61 : 14,727,259.69 = 5,777,160.39 : x
2. Step 2: Convert to fraction form
   10,671,939.61/14,727,259.69 = 5,777,160.39/x
3. Step 3: Cross multiply
   10,671,939.61x = 14,727,259.69 × 5,777,160.39
4. Step 4: Simplify right side
   10,671,939.61x = 85,081,741,319,868.77
5. Step 5: Solve for x
   x = 85,081,741,319,868.77/10,671,939.61
6. Step 6: Final answer
   x = 7,972,472.15