Finding the Fourth Proportional to 72,592.09, 100,159.56 and 42,360.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,592.09 : 100,159.56 = 42,360.16 : x
2. Step 2: Convert to fraction form
   72,592.09/100,159.56 = 42,360.16/x
3. Step 3: Cross multiply
   72,592.09x = 100,159.56 × 42,360.16
4. Step 4: Simplify right side
   72,592.09x = 4,242,774,736.73
5. Step 5: Solve for x
   x = 4,242,774,736.73/72,592.09
6. Step 6: Final answer
   x = 58,446.79