Finding the Fourth Proportional to 12,068,851.28, 18,111,326.37 and 4,392,493.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,068,851.28 : 18,111,326.37 = 4,392,493.98 : x
2. Step 2: Convert to fraction form
   12,068,851.28/18,111,326.37 = 4,392,493.98/x
3. Step 3: Cross multiply
   12,068,851.28x = 18,111,326.37 × 4,392,493.98
4. Step 4: Simplify right side
   12,068,851.28x = 79,553,892,050,040.27
5. Step 5: Solve for x
   x = 79,553,892,050,040.27/12,068,851.28
6. Step 6: Final answer
   x = 6,591,670.59