Finding the Fourth Proportional to 72,298.02, 99,767.32 and 40,460.77

Step by Step Solution

1. Step 1: Write the proportion equation
   72,298.02 : 99,767.32 = 40,460.77 : x
2. Step 2: Convert to fraction form
   72,298.02/99,767.32 = 40,460.77/x
3. Step 3: Cross multiply
   72,298.02x = 99,767.32 × 40,460.77
4. Step 4: Simplify right side
   72,298.02x = 4,036,662,588.04
5. Step 5: Solve for x
   x = 4,036,662,588.04/72,298.02
6. Step 6: Final answer
   x = 55,833.65