Finding the Fourth Proportional to 151,140.84, 208,571.52 and 83,156.16

Step by Step Solution

1. Step 1: Write the proportion equation
   151,140.84 : 208,571.52 = 83,156.16 : x
2. Step 2: Convert to fraction form
   151,140.84/208,571.52 = 83,156.16/x
3. Step 3: Cross multiply
   151,140.84x = 208,571.52 × 83,156.16
4. Step 4: Simplify right side
   151,140.84x = 17,344,006,688.56
5. Step 5: Solve for x
   x = 17,344,006,688.56/151,140.84
6. Step 6: Final answer
   x = 114,753.94