Finding the Fourth Proportional to 123,695.51, 170,700.12 and 67,106.88

Step by Step Solution

1. Step 1: Write the proportion equation
   123,695.51 : 170,700.12 = 67,106.88 : x
2. Step 2: Convert to fraction form
   123,695.51/170,700.12 = 67,106.88/x
3. Step 3: Cross multiply
   123,695.51x = 170,700.12 × 67,106.88
4. Step 4: Simplify right side
   123,695.51x = 11,455,152,468.83
5. Step 5: Solve for x
   x = 11,455,152,468.83/123,695.51
6. Step 6: Final answer
   x = 92,607.67