Finding the Fourth Proportional to 83,180.60, 124,810.24 and 43,178.32

Step by Step Solution

1. Step 1: Write the proportion equation
   83,180.60 : 124,810.24 = 43,178.32 : x
2. Step 2: Convert to fraction form
   83,180.60/124,810.24 = 43,178.32/x
3. Step 3: Cross multiply
   83,180.60x = 124,810.24 × 43,178.32
4. Step 4: Simplify right side
   83,180.60x = 5,389,096,030.40
5. Step 5: Solve for x
   x = 5,389,096,030.40/83,180.60
6. Step 6: Final answer
   x = 64,787.90