Finding the Fourth Proportional to 74,571.12, 102,910.56 and 42,746.04

Step by Step Solution

1. Step 1: Write the proportion equation
   74,571.12 : 102,910.56 = 42,746.04 : x
2. Step 2: Convert to fraction form
   74,571.12/102,910.56 = 42,746.04/x
3. Step 3: Cross multiply
   74,571.12x = 102,910.56 × 42,746.04
4. Step 4: Simplify right side
   74,571.12x = 4,399,018,914.18
5. Step 5: Solve for x
   x = 4,399,018,914.18/74,571.12
6. Step 6: Final answer
   x = 58,990.92