Finding the Fourth Proportional to 42,817.96, 64,239 and 37,503.46

Step by Step Solution

1. Step 1: Write the proportion equation
   42,817.96 : 64,239 = 37,503.46 : x
2. Step 2: Convert to fraction form
   42,817.96/64,239 = 37,503.46/x
3. Step 3: Cross multiply
   42,817.96x = 64,239 × 37,503.46
4. Step 4: Simplify right side
   42,817.96x = 2,409,184,766.94
5. Step 5: Solve for x
   x = 2,409,184,766.94/42,817.96
6. Step 6: Final answer
   x = 56,265.75