Finding the Fourth Proportional to 99,781.72, 149,675.82 and 52,384.84

Step by Step Solution

1. Step 1: Write the proportion equation
   99,781.72 : 149,675.82 = 52,384.84 : x
2. Step 2: Convert to fraction form
   99,781.72/149,675.82 = 52,384.84/x
3. Step 3: Cross multiply
   99,781.72x = 149,675.82 × 52,384.84
4. Step 4: Simplify right side
   99,781.72x = 7,840,743,882.57
5. Step 5: Solve for x
   x = 7,840,743,882.57/99,781.72
6. Step 6: Final answer
   x = 78,578.96