Finding the Fourth Proportional to 37,191.42, 55,716.79 and 28,830.47

Step by Step Solution

1. Step 1: Write the proportion equation
   37,191.42 : 55,716.79 = 28,830.47 : x
2. Step 2: Convert to fraction form
   37,191.42/55,716.79 = 28,830.47/x
3. Step 3: Cross multiply
   37,191.42x = 55,716.79 × 28,830.47
4. Step 4: Simplify right side
   37,191.42x = 1,606,341,099.96
5. Step 5: Solve for x
   x = 1,606,341,099.96/37,191.42
6. Step 6: Final answer
   x = 43,191.18