Finding the Fourth Proportional to 71,069.96, 98,111.58 and 55,729.46

Step by Step Solution

1. Step 1: Write the proportion equation
   71,069.96 : 98,111.58 = 55,729.46 : x
2. Step 2: Convert to fraction form
   71,069.96/98,111.58 = 55,729.46/x
3. Step 3: Cross multiply
   71,069.96x = 98,111.58 × 55,729.46
4. Step 4: Simplify right side
   71,069.96x = 5,467,705,373.15
5. Step 5: Solve for x
   x = 5,467,705,373.15/71,069.96
6. Step 6: Final answer
   x = 76,934.13