Finding the Fourth Proportional to 140,314.23, 210,554.38 and 51,630.01

Step by Step Solution

1. Step 1: Write the proportion equation
   140,314.23 : 210,554.38 = 51,630.01 : x
2. Step 2: Convert to fraction form
   140,314.23/210,554.38 = 51,630.01/x
3. Step 3: Cross multiply
   140,314.23x = 210,554.38 × 51,630.01
4. Step 4: Simplify right side
   140,314.23x = 10,870,924,744.94
5. Step 5: Solve for x
   x = 10,870,924,744.94/140,314.23
6. Step 6: Final answer
   x = 77,475.57