Finding the Fourth Proportional to 30,676,857.84, 42,349,404.42 and 19,078,157.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,676,857.84 : 42,349,404.42 = 19,078,157.88 : x
2. Step 2: Convert to fraction form
   30,676,857.84/42,349,404.42 = 19,078,157.88/x
3. Step 3: Cross multiply
   30,676,857.84x = 42,349,404.42 × 19,078,157.88
4. Step 4: Simplify right side
   30,676,857.84x = 807,948,623,648,729.88
5. Step 5: Solve for x
   x = 807,948,623,648,729.88/30,676,857.84
6. Step 6: Final answer
   x = 26,337,398.30