Finding the Fourth Proportional to 143,557.56, 215,290.42 and 47,476.93

Step by Step Solution

1. Step 1: Write the proportion equation
   143,557.56 : 215,290.42 = 47,476.93 : x
2. Step 2: Convert to fraction form
   143,557.56/215,290.42 = 47,476.93/x
3. Step 3: Cross multiply
   143,557.56x = 215,290.42 × 47,476.93
4. Step 4: Simplify right side
   143,557.56x = 10,221,328,200.01
5. Step 5: Solve for x
   x = 10,221,328,200.01/143,557.56
6. Step 6: Final answer
   x = 71,200.21