Finding the Fourth Proportional to 151,510.16, 209,085.48 and 83,529.62

Step by Step Solution

1. Step 1: Write the proportion equation
   151,510.16 : 209,085.48 = 83,529.62 : x
2. Step 2: Convert to fraction form
   151,510.16/209,085.48 = 83,529.62/x
3. Step 3: Cross multiply
   151,510.16x = 209,085.48 × 83,529.62
4. Step 4: Simplify right side
   151,510.16x = 17,464,830,274.27
5. Step 5: Solve for x
   x = 17,464,830,274.27/151,510.16
6. Step 6: Final answer
   x = 115,271.68