Finding the Fourth Proportional to 64,471.86, 88,969.73 and 35,789.85

Step by Step Solution

1. Step 1: Write the proportion equation
   64,471.86 : 88,969.73 = 35,789.85 : x
2. Step 2: Convert to fraction form
   64,471.86/88,969.73 = 35,789.85/x
3. Step 3: Cross multiply
   64,471.86x = 88,969.73 × 35,789.85
4. Step 4: Simplify right side
   64,471.86x = 3,184,213,112.29
5. Step 5: Solve for x
   x = 3,184,213,112.29/64,471.86
6. Step 6: Final answer
   x = 49,389.19