Finding the Fourth Proportional to 151,553.22, 209,133.72 and 83,570.69

Step by Step Solution

1. Step 1: Write the proportion equation
   151,553.22 : 209,133.72 = 83,570.69 : x
2. Step 2: Convert to fraction form
   151,553.22/209,133.72 = 83,570.69/x
3. Step 3: Cross multiply
   151,553.22x = 209,133.72 × 83,570.69
4. Step 4: Simplify right side
   151,553.22x = 17,477,448,237.00
5. Step 5: Solve for x
   x = 17,477,448,237.00/151,553.22
6. Step 6: Final answer
   x = 115,322.18