Finding the Fourth Proportional to 31,551.32, 47,303.42 and 19,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,551.32 : 47,303.42 = 19,068.50 : x
2. Step 2: Convert to fraction form
   31,551.32/47,303.42 = 19,068.50/x
3. Step 3: Cross multiply
   31,551.32x = 47,303.42 × 19,068.50
4. Step 4: Simplify right side
   31,551.32x = 902,004,932.41
5. Step 5: Solve for x
   x = 902,004,932.41/31,551.32
6. Step 6: Final answer
   x = 28,588.51