Finding the Fourth Proportional to 137,089.44, 189,185.94 and 83,376.72

Step by Step Solution

1. Step 1: Write the proportion equation
   137,089.44 : 189,185.94 = 83,376.72 : x
2. Step 2: Convert to fraction form
   137,089.44/189,185.94 = 83,376.72/x
3. Step 3: Cross multiply
   137,089.44x = 189,185.94 × 83,376.72
4. Step 4: Simplify right side
   137,089.44x = 15,773,703,147.32
5. Step 5: Solve for x
   x = 15,773,703,147.32/137,089.44
6. Step 6: Final answer
   x = 115,061.40