Finding the Fourth Proportional to 5,139,978.66, 7,092,780.39 and 2,848,090.14

Step by Step Solution

1. Step 1: Write the proportion equation
   5,139,978.66 : 7,092,780.39 = 2,848,090.14 : x
2. Step 2: Convert to fraction form
   5,139,978.66/7,092,780.39 = 2,848,090.14/x
3. Step 3: Cross multiply
   5,139,978.66x = 7,092,780.39 × 2,848,090.14
4. Step 4: Simplify right side
   5,139,978.66x = 20,200,877,893,944.36
5. Step 5: Solve for x
   x = 20,200,877,893,944.36/5,139,978.66
6. Step 6: Final answer
   x = 3,930,148.20