Finding the Fourth Proportional to 37,830.42, 56,748.06 and 12,863.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,830.42 : 56,748.06 = 12,863.52 : x
2. Step 2: Convert to fraction form
   37,830.42/56,748.06 = 12,863.52/x
3. Step 3: Cross multiply
   37,830.42x = 56,748.06 × 12,863.52
4. Step 4: Simplify right side
   37,830.42x = 729,979,804.77
5. Step 5: Solve for x
   x = 729,979,804.77/37,830.42
6. Step 6: Final answer
   x = 19,296.11