Finding the Fourth Proportional to 156,548.77, 234,630.69 and 72,191.82

Step by Step Solution

1. Step 1: Write the proportion equation
   156,548.77 : 234,630.69 = 72,191.82 : x
2. Step 2: Convert to fraction form
   156,548.77/234,630.69 = 72,191.82/x
3. Step 3: Cross multiply
   156,548.77x = 234,630.69 × 72,191.82
4. Step 4: Simplify right side
   156,548.77x = 16,938,417,148.10
5. Step 5: Solve for x
   x = 16,938,417,148.10/156,548.77
6. Step 6: Final answer
   x = 108,198.98