Finding the Fourth Proportional to 277,410.42, 382,826.25 and 156,577.05

Step by Step Solution

1. Step 1: Write the proportion equation
   277,410.42 : 382,826.25 = 156,577.05 : x
2. Step 2: Convert to fraction form
   277,410.42/382,826.25 = 156,577.05/x
3. Step 3: Cross multiply
   277,410.42x = 382,826.25 × 156,577.05
4. Step 4: Simplify right side
   277,410.42x = 59,941,804,887.56
5. Step 5: Solve for x
   x = 59,941,804,887.56/277,410.42
6. Step 6: Final answer
   x = 216,076.26