Finding the Fourth Proportional to 10,428,412.86, 14,392,692.72 and 5,783,230.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,428,412.86 : 14,392,692.72 = 5,783,230.98 : x
2. Step 2: Convert to fraction form
   10,428,412.86/14,392,692.72 = 5,783,230.98/x
3. Step 3: Cross multiply
   10,428,412.86x = 14,392,692.72 × 5,783,230.98
4. Step 4: Simplify right side
   10,428,412.86x = 83,236,266,423,924.47
5. Step 5: Solve for x
   x = 83,236,266,423,924.47/10,428,412.86
6. Step 6: Final answer
   x = 7,981,681.16