Finding the Fourth Proportional to 93,019.19, 128,365.59 and 50,577.73

Step by Step Solution

1. Step 1: Write the proportion equation
   93,019.19 : 128,365.59 = 50,577.73 : x
2. Step 2: Convert to fraction form
   93,019.19/128,365.59 = 50,577.73/x
3. Step 3: Cross multiply
   93,019.19x = 128,365.59 × 50,577.73
4. Step 4: Simplify right side
   93,019.19x = 6,492,440,152.31
5. Step 5: Solve for x
   x = 6,492,440,152.31/93,019.19
6. Step 6: Final answer
   x = 69,796.78