Finding the Fourth Proportional to 142,548.46, 213,870.17 and 47,788.00

Step by Step Solution

1. Step 1: Write the proportion equation
   142,548.46 : 213,870.17 = 47,788.00 : x
2. Step 2: Convert to fraction form
   142,548.46/213,870.17 = 47,788.00/x
3. Step 3: Cross multiply
   142,548.46x = 213,870.17 × 47,788.00
4. Step 4: Simplify right side
   142,548.46x = 10,220,427,268.75
5. Step 5: Solve for x
   x = 10,220,427,268.75/142,548.46
6. Step 6: Final answer
   x = 71,697.92