Finding the Fourth Proportional to 118,947.10, 164,061.30 and 76,465.03

Step by Step Solution

1. Step 1: Write the proportion equation
   118,947.10 : 164,061.30 = 76,465.03 : x
2. Step 2: Convert to fraction form
   118,947.10/164,061.30 = 76,465.03/x
3. Step 3: Cross multiply
   118,947.10x = 164,061.30 × 76,465.03
4. Step 4: Simplify right side
   118,947.10x = 12,544,952,226.34
5. Step 5: Solve for x
   x = 12,544,952,226.34/118,947.10
6. Step 6: Final answer
   x = 105,466.65