Finding the Fourth Proportional to 72,817.60, 109,268.85 and 30,695.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,817.60 : 109,268.85 = 30,695.10 : x
2. Step 2: Convert to fraction form
   72,817.60/109,268.85 = 30,695.10/x
3. Step 3: Cross multiply
   72,817.60x = 109,268.85 × 30,695.10
4. Step 4: Simplify right side
   72,817.60x = 3,354,018,004.46
5. Step 5: Solve for x
   x = 3,354,018,004.46/72,817.60
6. Step 6: Final answer
   x = 46,060.54