Finding the Fourth Proportional to 5,142,062.64, 7,096,045.43 and 2,818,971.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142,062.64 : 7,096,045.43 = 2,818,971.61 : x
2. Step 2: Convert to fraction form
   5,142,062.64/7,096,045.43 = 2,818,971.61/x
3. Step 3: Cross multiply
   5,142,062.64x = 7,096,045.43 × 2,818,971.61
4. Step 4: Simplify right side
   5,142,062.64x = 20,003,550,606,274.79
5. Step 5: Solve for x
   x = 20,003,550,606,274.79/5,142,062.64
6. Step 6: Final answer
   x = 3,890,180.27