Finding the Fourth Proportional to 152,047.72, 209,819.73 and 88,380.51

Step by Step Solution

1. Step 1: Write the proportion equation
   152,047.72 : 209,819.73 = 88,380.51 : x
2. Step 2: Convert to fraction form
   152,047.72/209,819.73 = 88,380.51/x
3. Step 3: Cross multiply
   152,047.72x = 209,819.73 × 88,380.51
4. Step 4: Simplify right side
   152,047.72x = 18,543,974,745.46
5. Step 5: Solve for x
   x = 18,543,974,745.46/152,047.72
6. Step 6: Final answer
   x = 121,961.54