Finding the Fourth Proportional to 37,663.78, 56,473.52 and 14,291.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,663.78 : 56,473.52 = 14,291.86 : x
2. Step 2: Convert to fraction form
   37,663.78/56,473.52 = 14,291.86/x
3. Step 3: Cross multiply
   37,663.78x = 56,473.52 × 14,291.86
4. Step 4: Simplify right side
   37,663.78x = 807,111,641.55
5. Step 5: Solve for x
   x = 807,111,641.55/37,663.78
6. Step 6: Final answer
   x = 21,429.38