Finding the Fourth Proportional to 52,672.92, 78,926.34 and 19,347

Step by Step Solution

1. Step 1: Write the proportion equation
   52,672.92 : 78,926.34 = 19,347 : x
2. Step 2: Convert to fraction form
   52,672.92/78,926.34 = 19,347/x
3. Step 3: Cross multiply
   52,672.92x = 78,926.34 × 19,347
4. Step 4: Simplify right side
   52,672.92x = 1,526,987,899.98
5. Step 5: Solve for x
   x = 1,526,987,899.98/52,672.92
6. Step 6: Final answer
   x = 28,990.00