Finding the Fourth Proportional to 28,830.15, 43,158.83 and 25,374.15

Step by Step Solution

1. Step 1: Write the proportion equation
   28,830.15 : 43,158.83 = 25,374.15 : x
2. Step 2: Convert to fraction form
   28,830.15/43,158.83 = 25,374.15/x
3. Step 3: Cross multiply
   28,830.15x = 43,158.83 × 25,374.15
4. Step 4: Simplify right side
   28,830.15x = 1,095,118,499.37
5. Step 5: Solve for x
   x = 1,095,118,499.37/28,830.15
6. Step 6: Final answer
   x = 37,985.18