Finding the Fourth Proportional to 102,003.60, 152,908.20 and 79,501.80

Step by Step Solution

1. Step 1: Write the proportion equation
   102,003.60 : 152,908.20 = 79,501.80 : x
2. Step 2: Convert to fraction form
   102,003.60/152,908.20 = 79,501.80/x
3. Step 3: Cross multiply
   102,003.60x = 152,908.20 × 79,501.80
4. Step 4: Simplify right side
   102,003.60x = 12,156,477,134.76
5. Step 5: Solve for x
   x = 12,156,477,134.76/102,003.60
6. Step 6: Final answer
   x = 119,176.94