Finding the Fourth Proportional to 52,188.75, 71,953.20 and 42,618.51

Step by Step Solution

1. Step 1: Write the proportion equation
   52,188.75 : 71,953.20 = 42,618.51 : x
2. Step 2: Convert to fraction form
   52,188.75/71,953.20 = 42,618.51/x
3. Step 3: Cross multiply
   52,188.75x = 71,953.20 × 42,618.51
4. Step 4: Simplify right side
   52,188.75x = 3,066,538,173.73
5. Step 5: Solve for x
   x = 3,066,538,173.73/52,188.75
6. Step 6: Final answer
   x = 58,758.61