Finding the Fourth Proportional to 141,510.78, 195,287.76 and 77,848.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141,510.78 : 195,287.76 = 77,848.56 : x
2. Step 2: Convert to fraction form
   141,510.78/195,287.76 = 77,848.56/x
3. Step 3: Cross multiply
   141,510.78x = 195,287.76 × 77,848.56
4. Step 4: Simplify right side
   141,510.78x = 15,202,870,901.63
5. Step 5: Solve for x
   x = 15,202,870,901.63/141,510.78
6. Step 6: Final answer
   x = 107,432.60