Finding the Fourth Proportional to 131,830.04, 181,926 and 71,401.40

Step by Step Solution

1. Step 1: Write the proportion equation
   131,830.04 : 181,926 = 71,401.40 : x
2. Step 2: Convert to fraction form
   131,830.04/181,926 = 71,401.40/x
3. Step 3: Cross multiply
   131,830.04x = 181,926 × 71,401.40
4. Step 4: Simplify right side
   131,830.04x = 12,989,771,096.40
5. Step 5: Solve for x
   x = 12,989,771,096.40/131,830.04
6. Step 6: Final answer
   x = 98,534.23