Finding the Fourth Proportional to 148,124.86, 204,355.23 and 102,780.15

Step by Step Solution

1. Step 1: Write the proportion equation
   148,124.86 : 204,355.23 = 102,780.15 : x
2. Step 2: Convert to fraction form
   148,124.86/204,355.23 = 102,780.15/x
3. Step 3: Cross multiply
   148,124.86x = 204,355.23 × 102,780.15
4. Step 4: Simplify right side
   148,124.86x = 21,003,661,192.68
5. Step 5: Solve for x
   x = 21,003,661,192.68/148,124.86
6. Step 6: Final answer
   x = 141,797.00