Finding the Fourth Proportional to 42,848.18, 64,160.43 and 34,482.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,848.18 : 64,160.43 = 34,482.50 : x
2. Step 2: Convert to fraction form
   42,848.18/64,160.43 = 34,482.50/x
3. Step 3: Cross multiply
   42,848.18x = 64,160.43 × 34,482.50
4. Step 4: Simplify right side
   42,848.18x = 2,212,412,027.48
5. Step 5: Solve for x
   x = 2,212,412,027.48/42,848.18
6. Step 6: Final answer
   x = 51,633.75