Finding the Fourth Proportional to 10,780,807.86, 14,877,124.20 and 5,885,939.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780,807.86 : 14,877,124.20 = 5,885,939.88 : x
2. Step 2: Convert to fraction form
   10,780,807.86/14,877,124.20 = 5,885,939.88/x
3. Step 3: Cross multiply
   10,780,807.86x = 14,877,124.20 × 5,885,939.88
4. Step 4: Simplify right side
   10,780,807.86x = 87,565,858,628,493.09
5. Step 5: Solve for x
   x = 87,565,858,628,493.09/10,780,807.86
6. Step 6: Final answer
   x = 8,122,383.76