Finding the Fourth Proportional to 151,719.48, 209,384.74 and 83,749.94

Step by Step Solution

1. Step 1: Write the proportion equation
   151,719.48 : 209,384.74 = 83,749.94 : x
2. Step 2: Convert to fraction form
   151,719.48/209,384.74 = 83,749.94/x
3. Step 3: Cross multiply
   151,719.48x = 209,384.74 × 83,749.94
4. Step 4: Simplify right side
   151,719.48x = 17,535,959,411.92
5. Step 5: Solve for x
   x = 17,535,959,411.92/151,719.48
6. Step 6: Final answer
   x = 115,581.46