Finding the Fourth Proportional to 71,510.86, 98,674.02 and 42,823.81

Step by Step Solution

1. Step 1: Write the proportion equation
   71,510.86 : 98,674.02 = 42,823.81 : x
2. Step 2: Convert to fraction form
   71,510.86/98,674.02 = 42,823.81/x
3. Step 3: Cross multiply
   71,510.86x = 98,674.02 × 42,823.81
4. Step 4: Simplify right side
   71,510.86x = 4,225,597,484.42
5. Step 5: Solve for x
   x = 4,225,597,484.42/71,510.86
6. Step 6: Final answer
   x = 59,090.29