Finding the Fourth Proportional to 120,155.82, 165,886.98 and 74,895.10

Step by Step Solution

1. Step 1: Write the proportion equation
   120,155.82 : 165,886.98 = 74,895.10 : x
2. Step 2: Convert to fraction form
   120,155.82/165,886.98 = 74,895.10/x
3. Step 3: Cross multiply
   120,155.82x = 165,886.98 × 74,895.10
4. Step 4: Simplify right side
   120,155.82x = 12,424,121,955.80
5. Step 5: Solve for x
   x = 12,424,121,955.80/120,155.82
6. Step 6: Final answer
   x = 103,400.08