Finding the Fourth Proportional to 137,026.56, 189,086.18 and 83,304.12

Step by Step Solution

1. Step 1: Write the proportion equation
   137,026.56 : 189,086.18 = 83,304.12 : x
2. Step 2: Convert to fraction form
   137,026.56/189,086.18 = 83,304.12/x
3. Step 3: Cross multiply
   137,026.56x = 189,086.18 × 83,304.12
4. Step 4: Simplify right side
   137,026.56x = 15,751,657,829.06
5. Step 5: Solve for x
   x = 15,751,657,829.06/137,026.56
6. Step 6: Final answer
   x = 114,953.32