Finding the Fourth Proportional to 35,300.88, 48,706.58 and 19,987.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,300.88 : 48,706.58 = 19,987.78 : x
2. Step 2: Convert to fraction form
   35,300.88/48,706.58 = 19,987.78/x
3. Step 3: Cross multiply
   35,300.88x = 48,706.58 × 19,987.78
4. Step 4: Simplify right side
   35,300.88x = 973,536,405.59
5. Step 5: Solve for x
   x = 973,536,405.59/35,300.88
6. Step 6: Final answer
   x = 27,578.25