Finding the Fourth Proportional to 112,499.42, 168,790.88 and 52,561.78

Step by Step Solution

1. Step 1: Write the proportion equation
   112,499.42 : 168,790.88 = 52,561.78 : x
2. Step 2: Convert to fraction form
   112,499.42/168,790.88 = 52,561.78/x
3. Step 3: Cross multiply
   112,499.42x = 168,790.88 × 52,561.78
4. Step 4: Simplify right side
   112,499.42x = 8,871,948,809.99
5. Step 5: Solve for x
   x = 8,871,948,809.99/112,499.42
6. Step 6: Final answer
   x = 78,862.18