Finding the Fourth Proportional to 76,870.56, 106,081.20 and 43,336.32

Step by Step Solution

1. Step 1: Write the proportion equation
   76,870.56 : 106,081.20 = 43,336.32 : x
2. Step 2: Convert to fraction form
   76,870.56/106,081.20 = 43,336.32/x
3. Step 3: Cross multiply
   76,870.56x = 106,081.20 × 43,336.32
4. Step 4: Simplify right side
   76,870.56x = 4,597,168,829.18
5. Step 5: Solve for x
   x = 4,597,168,829.18/76,870.56
6. Step 6: Final answer
   x = 59,804.02