Finding the Fourth Proportional to 52,598.72, 72,579.70 and 31,085.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,598.72 : 72,579.70 = 31,085.94 : x
2. Step 2: Convert to fraction form
   52,598.72/72,579.70 = 31,085.94/x
3. Step 3: Cross multiply
   52,598.72x = 72,579.70 × 31,085.94
4. Step 4: Simplify right side
   52,598.72x = 2,256,208,199.42
5. Step 5: Solve for x
   x = 2,256,208,199.42/52,598.72
6. Step 6: Final answer
   x = 42,894.74