Finding the Fourth Proportional to 129,072.83, 193,580.01 and 49,082.18

Step by Step Solution

1. Step 1: Write the proportion equation
   129,072.83 : 193,580.01 = 49,082.18 : x
2. Step 2: Convert to fraction form
   129,072.83/193,580.01 = 49,082.18/x
3. Step 3: Cross multiply
   129,072.83x = 193,580.01 × 49,082.18
4. Step 4: Simplify right side
   129,072.83x = 9,501,327,927.32
5. Step 5: Solve for x
   x = 9,501,327,927.32/129,072.83
6. Step 6: Final answer
   x = 73,612.15