Finding the Fourth Proportional to 74,131.10, 111,196.91 and 17,970.98

Step by Step Solution

1. Step 1: Write the proportion equation
   74,131.10 : 111,196.91 = 17,970.98 : x
2. Step 2: Convert to fraction form
   74,131.10/111,196.91 = 17,970.98/x
3. Step 3: Cross multiply
   74,131.10x = 111,196.91 × 17,970.98
4. Step 4: Simplify right side
   74,131.10x = 1,998,317,445.67
5. Step 5: Solve for x
   x = 1,998,317,445.67/74,131.10
6. Step 6: Final answer
   x = 26,956.53