Finding the Fourth Proportional to 137,436.01, 206,224.56 and 65,470.43

Step by Step Solution

1. Step 1: Write the proportion equation
   137,436.01 : 206,224.56 = 65,470.43 : x
2. Step 2: Convert to fraction form
   137,436.01/206,224.56 = 65,470.43/x
3. Step 3: Cross multiply
   137,436.01x = 206,224.56 × 65,470.43
4. Step 4: Simplify right side
   137,436.01x = 13,501,611,135.32
5. Step 5: Solve for x
   x = 13,501,611,135.32/137,436.01
6. Step 6: Final answer
   x = 98,239.26