Finding the Fourth Proportional to 31,035.79, 42,830.35 and 17,607.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,035.79 : 42,830.35 = 17,607.61 : x
2. Step 2: Convert to fraction form
   31,035.79/42,830.35 = 17,607.61/x
3. Step 3: Cross multiply
   31,035.79x = 42,830.35 × 17,607.61
4. Step 4: Simplify right side
   31,035.79x = 754,139,884.81
5. Step 5: Solve for x
   x = 754,139,884.81/31,035.79
6. Step 6: Final answer
   x = 24,299.04