Finding the Fourth Proportional to 56,499.50, 84,761.40 and 19,060.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,499.50 : 84,761.40 = 19,060.50 : x
2. Step 2: Convert to fraction form
   56,499.50/84,761.40 = 19,060.50/x
3. Step 3: Cross multiply
   56,499.50x = 84,761.40 × 19,060.50
4. Step 4: Simplify right side
   56,499.50x = 1,615,594,664.70
5. Step 5: Solve for x
   x = 1,615,594,664.70/56,499.50
6. Step 6: Final answer
   x = 28,594.85