Finding the Fourth Proportional to 141,501.67, 195,275.33 and 77,839.47

Step by Step Solution

1. Step 1: Write the proportion equation
   141,501.67 : 195,275.33 = 77,839.47 : x
2. Step 2: Convert to fraction form
   141,501.67/195,275.33 = 77,839.47/x
3. Step 3: Cross multiply
   141,501.67x = 195,275.33 × 77,839.47
4. Step 4: Simplify right side
   141,501.67x = 15,200,128,191.28
5. Step 5: Solve for x
   x = 15,200,128,191.28/141,501.67
6. Step 6: Final answer
   x = 107,420.13