Finding the Fourth Proportional to 42,108.93, 63,166.86 and 12,526.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108.93 : 63,166.86 = 12,526.83 : x
2. Step 2: Convert to fraction form
   42,108.93/63,166.86 = 12,526.83/x
3. Step 3: Cross multiply
   42,108.93x = 63,166.86 × 12,526.83
4. Step 4: Simplify right side
   42,108.93x = 791,280,516.85
5. Step 5: Solve for x
   x = 791,280,516.85/42,108.93
6. Step 6: Final answer
   x = 18,791.28