Finding the Fourth Proportional to 71,190, 106,538.06 and 43,092.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71,190 : 106,538.06 = 43,092.98 : x
2. Step 2: Convert to fraction form
   71,190/106,538.06 = 43,092.98/x
3. Step 3: Cross multiply
   71,190x = 106,538.06 × 43,092.98
4. Step 4: Simplify right side
   71,190x = 4,591,042,488.82
5. Step 5: Solve for x
   x = 4,591,042,488.82/71,190
6. Step 6: Final answer
   x = 64,489.99