Finding the Fourth Proportional to 52,626.51, 72,622.98 and 31,419.90

Step by Step Solution

1. Step 1: Write the proportion equation
   52,626.51 : 72,622.98 = 31,419.90 : x
2. Step 2: Convert to fraction form
   52,626.51/72,622.98 = 31,419.90/x
3. Step 3: Cross multiply
   52,626.51x = 72,622.98 × 31,419.90
4. Step 4: Simplify right side
   52,626.51x = 2,281,806,769.30
5. Step 5: Solve for x
   x = 2,281,806,769.30/52,626.51
6. Step 6: Final answer
   x = 43,358.50