Finding the Fourth Proportional to 42,095.90, 63,146.96 and 12,108.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,095.90 : 63,146.96 = 12,108.93 : x
2. Step 2: Convert to fraction form
   42,095.90/63,146.96 = 12,108.93/x
3. Step 3: Cross multiply
   42,095.90x = 63,146.96 × 12,108.93
4. Step 4: Simplify right side
   42,095.90x = 764,642,118.35
5. Step 5: Solve for x
   x = 764,642,118.35/42,095.90
6. Step 6: Final answer
   x = 18,164.29