Finding the Fourth Proportional to 71,348.34, 98,526.89 and 53,412.20

Step by Step Solution

1. Step 1: Write the proportion equation
   71,348.34 : 98,526.89 = 53,412.20 : x
2. Step 2: Convert to fraction form
   71,348.34/98,526.89 = 53,412.20/x
3. Step 3: Cross multiply
   71,348.34x = 98,526.89 × 53,412.20
4. Step 4: Simplify right side
   71,348.34x = 5,262,538,133.61
5. Step 5: Solve for x
   x = 5,262,538,133.61/71,348.34
6. Step 6: Final answer
   x = 73,758.39