Finding the Fourth Proportional to 10,212,090.30, 14,092,770.15 and 5,628,423.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,212,090.30 : 14,092,770.15 = 5,628,423.42 : x
2. Step 2: Convert to fraction form
   10,212,090.30/14,092,770.15 = 5,628,423.42/x
3. Step 3: Cross multiply
   10,212,090.30x = 14,092,770.15 × 5,628,423.42
4. Step 4: Simplify right side
   10,212,090.30x = 79,320,077,564,936.91
5. Step 5: Solve for x
   x = 79,320,077,564,936.91/10,212,090.30
6. Step 6: Final answer
   x = 7,767,271.46