Finding the Fourth Proportional to 31,014,625.18, 42,799,479.52 and 19,418,587.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,014,625.18 : 42,799,479.52 = 19,418,587.42 : x
2. Step 2: Convert to fraction form
   31,014,625.18/42,799,479.52 = 19,418,587.42/x
3. Step 3: Cross multiply
   31,014,625.18x = 42,799,479.52 × 19,418,587.42
4. Step 4: Simplify right side
   31,014,625.18x = 831,105,434,589,619.75
5. Step 5: Solve for x
   x = 831,105,434,589,619.75/31,014,625.18
6. Step 6: Final answer
   x = 26,797,210.34