Finding the Fourth Proportional to 123,599.60, 185,386.56 and 83,873.60

Step by Step Solution

1. Step 1: Write the proportion equation
   123,599.60 : 185,386.56 = 83,873.60 : x
2. Step 2: Convert to fraction form
   123,599.60/185,386.56 = 83,873.60/x
3. Step 3: Cross multiply
   123,599.60x = 185,386.56 × 83,873.60
4. Step 4: Simplify right side
   123,599.60x = 15,549,038,178.82
5. Step 5: Solve for x
   x = 15,549,038,178.82/123,599.60
6. Step 6: Final answer
   x = 125,801.69