Finding the Fourth Proportional to 109,870.07, 164,616.75 and 73,778.87

Step by Step Solution

1. Step 1: Write the proportion equation
   109,870.07 : 164,616.75 = 73,778.87 : x
2. Step 2: Convert to fraction form
   109,870.07/164,616.75 = 73,778.87/x
3. Step 3: Cross multiply
   109,870.07x = 164,616.75 × 73,778.87
4. Step 4: Simplify right side
   109,870.07x = 12,145,238,209.61
5. Step 5: Solve for x
   x = 12,145,238,209.61/109,870.07
6. Step 6: Final answer
   x = 110,541.83