Finding the Fourth Proportional to 5,142,093.18, 7,096,043.22 and 2,818,943.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142,093.18 : 7,096,043.22 = 2,818,943.47 : x
2. Step 2: Convert to fraction form
   5,142,093.18/7,096,043.22 = 2,818,943.47/x
3. Step 3: Cross multiply
   5,142,093.18x = 7,096,043.22 × 2,818,943.47
4. Step 4: Simplify right side
   5,142,093.18x = 20,003,344,712,012.34
5. Step 5: Solve for x
   x = 20,003,344,712,012.34/5,142,093.18
6. Step 6: Final answer
   x = 3,890,117.12