Finding the Fourth Proportional to 151,507.03, 209,081.18 and 83,526.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,507.03 : 209,081.18 = 83,526.72 : x
2. Step 2: Convert to fraction form
   151,507.03/209,081.18 = 83,526.72/x
3. Step 3: Cross multiply
   151,507.03x = 209,081.18 × 83,526.72
4. Step 4: Simplify right side
   151,507.03x = 17,463,865,179.13
5. Step 5: Solve for x
   x = 17,463,865,179.13/151,507.03
6. Step 6: Final answer
   x = 115,267.69