Finding the Fourth Proportional to 31,014,624.18, 42,799,478.14 and 19,418,586.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,014,624.18 : 42,799,478.14 = 19,418,586.42 : x
2. Step 2: Convert to fraction form
   31,014,624.18/42,799,478.14 = 19,418,586.42/x
3. Step 3: Cross multiply
   31,014,624.18x = 42,799,478.14 × 19,418,586.42
4. Step 4: Simplify right side
   31,014,624.18x = 831,105,364,992,491
5. Step 5: Solve for x
   x = 831,105,364,992,491/31,014,624.18
6. Step 6: Final answer
   x = 26,797,208.96