Finding the Fourth Proportional to 64,577.99, 89,118.70 and 35,507.59

Step by Step Solution

1. Step 1: Write the proportion equation
   64,577.99 : 89,118.70 = 35,507.59 : x
2. Step 2: Convert to fraction form
   64,577.99/89,118.70 = 35,507.59/x
3. Step 3: Cross multiply
   64,577.99x = 89,118.70 × 35,507.59
4. Step 4: Simplify right side
   64,577.99x = 3,164,389,815.34
5. Step 5: Solve for x
   x = 3,164,389,815.34/64,577.99
6. Step 6: Final answer
   x = 49,001.06