Finding the Fourth Proportional to 141,397.64, 195,123.72 and 77,735

Step by Step Solution

1. Step 1: Write the proportion equation
   141,397.64 : 195,123.72 = 77,735 : x
2. Step 2: Convert to fraction form
   141,397.64/195,123.72 = 77,735/x
3. Step 3: Cross multiply
   141,397.64x = 195,123.72 × 77,735
4. Step 4: Simplify right side
   141,397.64x = 15,167,942,374.20
5. Step 5: Solve for x
   x = 15,167,942,374.20/141,397.64
6. Step 6: Final answer
   x = 107,271.54