Finding the Fourth Proportional to 64,188.63, 88,573.50 and 35,503.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,188.63 : 88,573.50 = 35,503.72 : x
2. Step 2: Convert to fraction form
   64,188.63/88,573.50 = 35,503.72/x
3. Step 3: Cross multiply
   64,188.63x = 88,573.50 × 35,503.72
4. Step 4: Simplify right side
   64,188.63x = 3,144,688,743.42
5. Step 5: Solve for x
   x = 3,144,688,743.42/64,188.63
6. Step 6: Final answer
   x = 48,991.37