Finding the Fourth Proportional to 56,004.72, 83,997.36 and 19,068.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,004.72 : 83,997.36 = 19,068.72 : x
2. Step 2: Convert to fraction form
   56,004.72/83,997.36 = 19,068.72/x
3. Step 3: Cross multiply
   56,004.72x = 83,997.36 × 19,068.72
4. Step 4: Simplify right side
   56,004.72x = 1,601,722,138.58
5. Step 5: Solve for x
   x = 1,601,722,138.58/56,004.72
6. Step 6: Final answer
   x = 28,599.77