Finding the Fourth Proportional to 102,003.90, 152,850.33 and 52,081.98

Step by Step Solution

1. Step 1: Write the proportion equation
   102,003.90 : 152,850.33 = 52,081.98 : x
2. Step 2: Convert to fraction form
   102,003.90/152,850.33 = 52,081.98/x
3. Step 3: Cross multiply
   102,003.90x = 152,850.33 × 52,081.98
4. Step 4: Simplify right side
   102,003.90x = 7,960,747,830.05
5. Step 5: Solve for x
   x = 7,960,747,830.05/102,003.90
6. Step 6: Final answer
   x = 78,043.56