Finding the Fourth Proportional to 72,091.04, 99,487.62 and 40,262.00

Step by Step Solution

1. Step 1: Write the proportion equation
   72,091.04 : 99,487.62 = 40,262.00 : x
2. Step 2: Convert to fraction form
   72,091.04/99,487.62 = 40,262.00/x
3. Step 3: Cross multiply
   72,091.04x = 99,487.62 × 40,262.00
4. Step 4: Simplify right side
   72,091.04x = 4,005,570,059.00
5. Step 5: Solve for x
   x = 4,005,570,059.00/72,091.04
6. Step 6: Final answer
   x = 55,562.67