Finding the Fourth Proportional to 12,994.34, 19,475.95 and 5,091.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.34 : 19,475.95 = 5,091.93 : x
2. Step 2: Convert to fraction form
   12,994.34/19,475.95 = 5,091.93/x
3. Step 3: Cross multiply
   12,994.34x = 19,475.95 × 5,091.93
4. Step 4: Simplify right side
   12,994.34x = 99,170,161.35
5. Step 5: Solve for x
   x = 99,170,161.35/12,994.34
6. Step 6: Final answer
   x = 7,631.80