Finding the Fourth Proportional to 72,446.04, 99,977.63 and 40,615.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,446.04 : 99,977.63 = 40,615.47 : x
2. Step 2: Convert to fraction form
   72,446.04/99,977.63 = 40,615.47/x
3. Step 3: Cross multiply
   72,446.04x = 99,977.63 × 40,615.47
4. Step 4: Simplify right side
   72,446.04x = 4,060,638,228.86
5. Step 5: Solve for x
   x = 4,060,638,228.86/72,446.04
6. Step 6: Final answer
   x = 56,050.52