Finding the Fourth Proportional to 72,436.24, 108,631.86 and 34,973.02

Step by Step Solution

1. Step 1: Write the proportion equation
   72,436.24 : 108,631.86 = 34,973.02 : x
2. Step 2: Convert to fraction form
   72,436.24/108,631.86 = 34,973.02/x
3. Step 3: Cross multiply
   72,436.24x = 108,631.86 × 34,973.02
4. Step 4: Simplify right side
   72,436.24x = 3,799,184,212.42
5. Step 5: Solve for x
   x = 3,799,184,212.42/72,436.24
6. Step 6: Final answer
   x = 52,448.67