Finding the Fourth Proportional to 35,131.61, 48,482.01 and 19,215.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,131.61 : 48,482.01 = 19,215.72 : x
2. Step 2: Convert to fraction form
   35,131.61/48,482.01 = 19,215.72/x
3. Step 3: Cross multiply
   35,131.61x = 48,482.01 × 19,215.72
4. Step 4: Simplify right side
   35,131.61x = 931,616,729.20
5. Step 5: Solve for x
   x = 931,616,729.20/35,131.61
6. Step 6: Final answer
   x = 26,517.91