Finding the Fourth Proportional to 139,883.56, 209,637.69 and 76,608.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,883.56 : 209,637.69 = 76,608.52 : x
2. Step 2: Convert to fraction form
   139,883.56/209,637.69 = 76,608.52/x
3. Step 3: Cross multiply
   139,883.56x = 209,637.69 × 76,608.52
4. Step 4: Simplify right side
   139,883.56x = 16,060,033,167.12
5. Step 5: Solve for x
   x = 16,060,033,167.12/139,883.56
6. Step 6: Final answer
   x = 114,810.01