Finding the Fourth Proportional to 72,069.33, 107,630.82 and 61,425.93

Step by Step Solution

1. Step 1: Write the proportion equation
   72,069.33 : 107,630.82 = 61,425.93 : x
2. Step 2: Convert to fraction form
   72,069.33/107,630.82 = 61,425.93/x
3. Step 3: Cross multiply
   72,069.33x = 107,630.82 × 61,425.93
4. Step 4: Simplify right side
   72,069.33x = 6,611,323,215.16
5. Step 5: Solve for x
   x = 6,611,323,215.16/72,069.33
6. Step 6: Final answer
   x = 91,735.60