Finding the Fourth Proportional to 28,848.17, 43,158.43 and 21,848.42

Step by Step Solution

1. Step 1: Write the proportion equation
   28,848.17 : 43,158.43 = 21,848.42 : x
2. Step 2: Convert to fraction form
   28,848.17/43,158.43 = 21,848.42/x
3. Step 3: Cross multiply
   28,848.17x = 43,158.43 × 21,848.42
4. Step 4: Simplify right side
   28,848.17x = 942,943,505.18
5. Step 5: Solve for x
   x = 942,943,505.18/28,848.17
6. Step 6: Final answer
   x = 32,686.42