Finding the Fourth Proportional to 137,546.72, 189,848.24 and 83,861.34

Step by Step Solution

1. Step 1: Write the proportion equation
   137,546.72 : 189,848.24 = 83,861.34 : x
2. Step 2: Convert to fraction form
   137,546.72/189,848.24 = 83,861.34/x
3. Step 3: Cross multiply
   137,546.72x = 189,848.24 × 83,861.34
4. Step 4: Simplify right side
   137,546.72x = 15,920,927,803.04
5. Step 5: Solve for x
   x = 15,920,927,803.04/137,546.72
6. Step 6: Final answer
   x = 115,749.24