Finding the Fourth Proportional to 141,587.09, 195,393.83 and 77,060.55

Step by Step Solution

1. Step 1: Write the proportion equation
   141,587.09 : 195,393.83 = 77,060.55 : x
2. Step 2: Convert to fraction form
   141,587.09/195,393.83 = 77,060.55/x
3. Step 3: Cross multiply
   141,587.09x = 195,393.83 × 77,060.55
4. Step 4: Simplify right side
   141,587.09x = 15,057,155,621.10
5. Step 5: Solve for x
   x = 15,057,155,621.10/141,587.09
6. Step 6: Final answer
   x = 106,345.54