Finding the Fourth Proportional to 137,097.44, 189,196.98 and 83,384.72

Step by Step Solution

1. Step 1: Write the proportion equation
   137,097.44 : 189,196.98 = 83,384.72 : x
2. Step 2: Convert to fraction form
   137,097.44/189,196.98 = 83,384.72/x
3. Step 3: Cross multiply
   137,097.44x = 189,196.98 × 83,384.72
4. Step 4: Simplify right side
   137,097.44x = 15,776,137,202.15
5. Step 5: Solve for x
   x = 15,776,137,202.15/137,097.44
6. Step 6: Final answer
   x = 115,072.44