Finding the Fourth Proportional to 139,594.76, 209,312.56 and 95,275.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,594.76 : 209,312.56 = 95,275.16 : x
2. Step 2: Convert to fraction form
   139,594.76/209,312.56 = 95,275.16/x
3. Step 3: Cross multiply
   139,594.76x = 209,312.56 × 95,275.16
4. Step 4: Simplify right side
   139,594.76x = 19,942,287,644.01
5. Step 5: Solve for x
   x = 19,942,287,644.01/139,594.76
6. Step 6: Final answer
   x = 142,858.43