Finding the Fourth Proportional to 71,551.90, 98,859.72 and 53,705.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71,551.90 : 98,859.72 = 53,705.98 : x
2. Step 2: Convert to fraction form
   71,551.90/98,859.72 = 53,705.98/x
3. Step 3: Cross multiply
   71,551.90x = 98,859.72 × 53,705.98
4. Step 4: Simplify right side
   71,551.90x = 5,309,358,145.13
5. Step 5: Solve for x
   x = 5,309,358,145.13/71,551.90
6. Step 6: Final answer
   x = 74,202.90