Finding the Fourth Proportional to 34,987.59, 48,281.04 and 19,878.15

Step by Step Solution

1. Step 1: Write the proportion equation
   34,987.59 : 48,281.04 = 19,878.15 : x
2. Step 2: Convert to fraction form
   34,987.59/48,281.04 = 19,878.15/x
3. Step 3: Cross multiply
   34,987.59x = 48,281.04 × 19,878.15
4. Step 4: Simplify right side
   34,987.59x = 959,737,755.28
5. Step 5: Solve for x
   x = 959,737,755.28/34,987.59
6. Step 6: Final answer
   x = 27,430.80