Finding the Fourth Proportional to 141,795.56, 195,612.52 and 90,783.78

Step by Step Solution

1. Step 1: Write the proportion equation
   141,795.56 : 195,612.52 = 90,783.78 : x
2. Step 2: Convert to fraction form
   141,795.56/195,612.52 = 90,783.78/x
3. Step 3: Cross multiply
   141,795.56x = 195,612.52 × 90,783.78
4. Step 4: Simplify right side
   141,795.56x = 17,758,443,980.93
5. Step 5: Solve for x
   x = 17,758,443,980.93/141,795.56
6. Step 6: Final answer
   x = 125,239.77