Finding the Fourth Proportional to 52,681, 78,925.81 and 30,447.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,681 : 78,925.81 = 30,447.42 : x
2. Step 2: Convert to fraction form
   52,681/78,925.81 = 30,447.42/x
3. Step 3: Cross multiply
   52,681x = 78,925.81 × 30,447.42
4. Step 4: Simplify right side
   52,681x = 2,403,087,285.91
5. Step 5: Solve for x
   x = 2,403,087,285.91/52,681
6. Step 6: Final answer
   x = 45,615.83