Finding the Fourth Proportional to 52,555.16, 78,785.86 and 19,267.45

Step by Step Solution

1. Step 1: Write the proportion equation
   52,555.16 : 78,785.86 = 19,267.45 : x
2. Step 2: Convert to fraction form
   52,555.16/78,785.86 = 19,267.45/x
3. Step 3: Cross multiply
   52,555.16x = 78,785.86 × 19,267.45
4. Step 4: Simplify right side
   52,555.16x = 1,518,002,618.26
5. Step 5: Solve for x
   x = 1,518,002,618.26/52,555.16
6. Step 6: Final answer
   x = 28,883.99