Finding the Fourth Proportional to 150,645.34, 207,889.53 and 83,577.34

Step by Step Solution

1. Step 1: Write the proportion equation
   150,645.34 : 207,889.53 = 83,577.34 : x
2. Step 2: Convert to fraction form
   150,645.34/207,889.53 = 83,577.34/x
3. Step 3: Cross multiply
   150,645.34x = 207,889.53 × 83,577.34
4. Step 4: Simplify right side
   150,645.34x = 17,374,853,931.25
5. Step 5: Solve for x
   x = 17,374,853,931.25/150,645.34
6. Step 6: Final answer
   x = 115,336.15