Finding the Fourth Proportional to 77,434.52, 106,822.80 and 49,091.00

Step by Step Solution

1. Step 1: Write the proportion equation
   77,434.52 : 106,822.80 = 49,091.00 : x
2. Step 2: Convert to fraction form
   77,434.52/106,822.80 = 49,091.00/x
3. Step 3: Cross multiply
   77,434.52x = 106,822.80 × 49,091.00
4. Step 4: Simplify right side
   77,434.52x = 5,244,037,540.69
5. Step 5: Solve for x
   x = 5,244,037,540.69/77,434.52
6. Step 6: Final answer
   x = 67,722.22